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jax.de

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Free website and domain report on jax.de

Last Updated: 7th October, 2020 Update Now
Overview

Snoop Summary for jax.de

This is a free and comprehensive report about jax.de. Jax.de is hosted in Berlin, Land Berlin in Germany on a server with an IP address of 37.44.4.140, where EUR is the local currency and the local language is German. If jax.de was to be sold it would possibly be worth $313 USD (based on the daily revenue potential of the website over a 24 month period). Jax.de receives an estimated 146 unique visitors every day - a decent amount of traffic! This report was last updated 7th October, 2020.

About jax.de

Site Preview: jax.de jax.de
Title: JAX & W-JAX 2020 | Konferenzen für Java, Architektur & Software-Innovationen
Description: Die Konferenzen für moderne Java- und Web-Entwicklung, für Software-Architektur und innovative Infrastruktur mit bekannten Experten aus der Branche.
Keywords and Tags: hardware, internet services, software
Related Terms: architektur, branche, entwicklung, erfindungen und innovationen, innovationen, it infrastruktur, jax 4 news, jax news, jax weather
Fav Icon:
Age:
Domain Created:
Domain Updated:
Domain Expires:
Review

Snoop Score

1/5

Valuation

$313 USD
Note: All valuation figures are estimates.

Popularity

Low
Note: Popularity is estimated.

Rank, Reach and Authority

Alexa Rank: 7,408,977
Alexa Reach:
SEMrush Rank (US):
SEMrush Authority Score:
Moz Domain Authority: 0
Moz Page Authority: 0

Organic vs Paid (Google Ads)

Traffic

Visitors

Daily Visitors: 146
Monthly Visitors: 4,431
Yearly Visitors: 53,137
Note: All visitors figures are estimates.

Visitors By Country

Revenue

Revenue

Daily Revenue: $0 USD
Monthly Revenue: $13 USD
Yearly Revenue: $151 USD
Note: All revenue figures are estimates.

Revenue By Country

SEO

Backlinks Analysis (SEMrush)

Top New Follow Links

Top Ranking Keywords (US)

Domain Analysis

Value Length
Domain: jax.de 6
Domain Name: jax 3
Extension (TLD): de 2

Page Speed Analysis

Average Load Time: 2.82 seconds
Load Time Comparison: Faster than 24% of sites

PageSpeed Insights

Avg. (All Categories) 64
Performance 35
Accessibility 74
Best Practices 64
SEO 83
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
URL: https://jax.de
Updated: 7th October, 2020

2.31 seconds
First Contentful Paint (FCP)
31%
50%
19%

0.00 seconds
First Input Delay (FID)
99%
1%
0%

Simulate loading on desktop
35

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for jax.de. This includes details about optimizing page load times which can result in a better user experience.

Metrics

Total Blocking Time — 140 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).

Other

Estimated Input Latency — 20 ms
The time taken for the page to respond to user input (during the busiest 5 second window of page load). Users are likely to perceive jax.de as laggy when the latency is higher than 0.05 seconds.
Network Requests
Below is a list of network requests that were made during page load.
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3158.3150001243
2508
5160
200
application/javascript
Script
https://jax.de/wp-json/wp/v2/
3184.6309998073
3328.8679998368
612
92
200
text/html
XHR
https://www.gstatic.com/recaptcha/releases/48TunWH-ZrLteSwFVbw6tVnx/recaptcha__de.js
3186.0279999673
3197.7349999361
139108
352388
200
text/javascript
Script
https://www.youtube.com/s/player/1a1b48e5/www-player-webp.css
3202.3229999468
3230.1179999486
49420
329257
200
text/css
Stylesheet
https://www.youtube.com/s/player/1a1b48e5/www-embed-player.vflset/www-embed-player.js
3202.5660001673
3211.0770000145
54393
152275
200
text/javascript
Script
https://www.youtube.com/s/player/1a1b48e5/player_ias.vflset/en_US/base.js
3202.8439999558
3233.7279999629
468197
1451889
200
text/javascript
Script
https://www.youtube.com/yts/jsbin/fetch-polyfill-vfl6MZH8P/fetch-polyfill.js
3203.1919998117
3206.5550000407
3694
8543
200
text/javascript
Script
https://googleads.g.doubleclick.net/pagead/viewthroughconversion/1053876521/?random=1602061354333&cv=9&fst=1602061354333&num=1&guid=ON&resp=GooglemKTybQhCsO&eid=376635471&u_h=600&u_w=800&u_ah=600&u_aw=800&u_cd=24&u_his=2&u_tz=-420&u_java=false&u_nplug=0&u_nmime=0&gtm=2wg9n1&sendb=1&ig=1&frm=0&url=https%3A%2F%2Fjax.de%2F&tiba=JAX%20%26%20W-JAX%202020%20%7C%20Konferenzen%20f%C3%BCr%20Java%2C%20Architektur%20%26%20Software-Innovationen&hn=www.googleadservices.com&async=1&rfmt=3&fmt=4
3236.5779997781
3244.7469998151
2545
1663
200
text/javascript
Script
https://googleads.g.doubleclick.net/pagead/viewthroughconversion/874056543/?random=1602061354351&cv=9&fst=1602061354351&num=1&guid=ON&resp=GooglemKTybQhCsO&u_h=600&u_w=800&u_ah=600&u_aw=800&u_cd=24&u_his=2&u_tz=-420&u_java=false&u_nplug=0&u_nmime=0&gtm=2wg9n1&sendb=1&ig=1&frm=0&url=https%3A%2F%2Fjax.de%2F&tiba=JAX%20%26%20W-JAX%202020%20%7C%20Konferenzen%20f%C3%BCr%20Java%2C%20Architektur%20%26%20Software-Innovationen&hn=www.googleadservices.com&async=1&rfmt=3&fmt=4
3245.4849998467
3262.2139998712
2684
1641
200
text/javascript
Script
https://snap.licdn.com/li.lms-analytics/insight.beta.min.js
3246.8030001037
3257.9330001026
2113
4106
200
application/x-javascript
Script
https://connect.facebook.net/signals/config/407071789447604?v=2.9.27&r=stable
3276.7209997401
3336.9289999828
71517
239758
200
application/x-javascript
Script
https://www.google-analytics.com/j/collect?v=1&_v=j86&aip=1&a=816872315&t=pageview&_s=1&dl=https%3A%2F%2Fjax.de%2F&dr=&ul=en-us&de=UTF-8&dt=JAX%20%26%20W-JAX%202020%20%7C%20Konferenzen%20f%C3%BCr%20Java%2C%20Architektur%20%26%20Software-Innovationen&sd=24-bit&sr=800x600&vp=1350x940&je=0&_u=YEBAAEABAAAAAC~&jid=501883646&gjid=1878912064&cid=7063733.1602061354&tid=UA-18197080-1&_gid=218445939.1602061354&_r=1&gtm=2wg9n1PRXPLV&cd1=7063733.1602061354&cd2=20201007%7C06433633&cd3=02%3A02%3A34&z=1475255907
3301.380999852
3304.8959998414
623
2
200
text/plain
XHR
https://t.co/i/adsct?type=javascript&version=1.1.0&p_id=Twitter&p_user_id=0&txn_id=nxros&events=%5B%5B%22pageview%22%2Cnull%5D%5D&tw_sale_amount=0&tw_order_quantity=0&tw_iframe_status=0&tw_document_href=https%3A%2F%2Fjax.de%2F
3507.7700000256
3539.8760000244
688
43
200
image/gif
Image
https://stats.g.doubleclick.net/j/collect?t=dc&aip=1&_r=3&v=1&_v=j86&tid=UA-18197080-1&cid=7063733.1602061354&jid=501883646&gjid=1878912064&_gid=218445939.1602061354&_u=YEBAAEAAAAAAAC~&z=1884381188
3509.3290000223
3513.0809997208
695
1
200
text/plain
XHR
https://www.google.com/pagead/1p-user-list/1053876521/?random=1602061354333&cv=9&fst=1602061200000&num=1&guid=ON&eid=376635471&u_h=600&u_w=800&u_ah=600&u_aw=800&u_cd=24&u_his=2&u_tz=-420&u_java=false&u_nplug=0&u_nmime=0&gtm=2wg9n1&sendb=1&frm=0&url=https%3A%2F%2Fjax.de%2F&tiba=JAX%20%26%20W-JAX%202020%20%7C%20Konferenzen%20f%C3%BCr%20Java%2C%20Architektur%20%26%20Software-Innovationen&async=1&fmt=3&is_vtc=1&random=1082676104&resp=GooglemKTybQhCsO&rmt_tld=0&ipr=y
3525.752000045
3540.9059999511
754
42
200
image/gif
Image
https://www.youtube.com/embed/yl2xZESF0TU?enablejsapi=1&origin=https%3A%2F%2Fjax.de
3579.0129997768
3676.0809998959
11489
39182
200
text/html
Document
https://www.youtube.com/iframe_api
3576.8979997374
3596.0389999673
1355
859
200
application/javascript
Script
https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=968948&time=1602061354686&url=https%3A%2F%2Fjax.de%2F
3579.6329998411
3645.6999997608
737
0
302
https://www.google.com/pagead/1p-user-list/874056543/?random=1602061354351&cv=9&fst=1602061200000&num=1&guid=ON&u_h=600&u_w=800&u_ah=600&u_aw=800&u_cd=24&u_his=2&u_tz=-420&u_java=false&u_nplug=0&u_nmime=0&gtm=2wg9n1&sendb=1&frm=0&url=https%3A%2F%2Fjax.de%2F&tiba=JAX%20%26%20W-JAX%202020%20%7C%20Konferenzen%20f%C3%BCr%20Java%2C%20Architektur%20%26%20Software-Innovationen&async=1&fmt=3&is_vtc=1&random=584345723&resp=GooglemKTybQhCsO&rmt_tld=0&ipr=y
3580.3760001436
3591.9429999776
754
42
200
image/gif
Image
https://www.facebook.com/tr/?id=407071789447604&ev=PageView&dl=https%3A%2F%2Fjax.de%2F&rl=&if=false&ts=1602061354729&sw=800&sh=600&v=2.9.27&r=stable&ec=0&o=30&fbp=fb.1.1602061354727.915016052&it=1602061354385&coo=false&exp=s1&rqm=GET
3622.2640001215
3633.3240000531
463
44
200
image/gif
Image
https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=968948&time=1602061354686&url=https%3A%2F%2Fjax.de%2F&cookiesTest=true
3646.0199998692
3701.551000122
1034
0
302
https://s.ytimg.com/yts/jsbin/www-widgetapi-vflEYmXTN/www-widgetapi.js
3660.3890000843
3666.2909998558
38492
106491
200
text/javascript
Script
https://www.linkedin.com/px/li_sync?redirect=https%3A%2F%2Fpx.ads.linkedin.com%2Fcollect%3Fv%3D2%26fmt%3Djs%26pid%3D968948%26time%3D1602061354686%26url%3Dhttps%253A%252F%252Fjax.de%252F%26cookiesTest%3Dtrue%26liSync%3Dtrue
3702.0519999787
3772.2869999707
2547
0
302
https://www.youtube.com/s/player/1a1b48e5/www-player-webp.css
3715.991999954
3716.1149997264
49420
329257
200
text/css
Stylesheet
https://www.youtube.com/s/player/1a1b48e5/www-embed-player.vflset/www-embed-player.js
3721.092000138
3731.587999966
54393
152275
200
text/javascript
Script
https://www.youtube.com/s/player/1a1b48e5/player_ias.vflset/en_US/base.js
3721.297999844
3751.3339999132
468197
1451889
200
text/javascript
Script
https://www.youtube.com/yts/jsbin/fetch-polyfill-vfl6MZH8P/fetch-polyfill.js
3721.4799998328
3725.1229998656
3694
8543
200
text/javascript
Script
https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=968948&time=1602061354686&url=https%3A%2F%2Fjax.de%2F&cookiesTest=true&liSync=true
3772.5470000878
3828.8460001349
545
0
302
https://p.adsymptotic.com/d/px/?_pid=16218&_psign=0aa5badf92527f7732e22463d6fa4dbc&coopa=0&gdpr=0&gdpr_consent=&_puuid=207fe459-fe5d-4ca3-be86-3a0677924ce6
3829.1549999267
3974.8519998975
819
0
302
https://googleads.g.doubleclick.net/pagead/id
3963.839000091
3968.7830000184
1708
113
200
application/json
XHR
https://static.doubleclick.net/instream/ad_status.js
3968.6070000753
3971.8989999965
644
29
200
text/javascript
Script
https://p.adsymptotic.com/d/px/?_pid=16218&_psign=0aa5badf92527f7732e22463d6fa4dbc&coopa=0&gdpr=0&gdpr_consent=&_puuid=207fe459-fe5d-4ca3-be86-3a0677924ce6&_expected_cookie=b8696b80f80523b22f55999a4914c0e1
3975.1209998503
4003.3970000222
737
43
200
image/gif
Image
https://cdnjs.cloudflare.com/ajax/libs/cookieconsent2/1.0.9/dark-bottom.css
4006.9949999452
4029.9080000259
1701
3111
200
text/css
Stylesheet
https://bid.g.doubleclick.net/xbbe/pixel?d=KAE
4023.1349999085
4032.8259998932
603
0
200
text/html
Document
https://analytics.twitter.com/i/adsct?type=javascript&version=1.1.0&p_id=Twitter&p_user_id=0&txn_id=nxros&events=%5B%5B%22pageview%22%2Cnull%5D%5D&tw_sale_amount=0&tw_order_quantity=0&tw_iframe_status=0&tpx_cb=twttr.conversion.loadPixels&tw_document_href=https%3A%2F%2Fjax.de%2F
4024.0609999746
4065.2709999122
964
31
200
application/javascript
Script
https://cdnjs.cloudflare.com/ajax/libs/cookieconsent2/1.0.9/logo.png
4050.3409998491
4076.3840000145
4090
3083
200
image/png
Image
https://www.facebook.com/tr/
4130.7419999503
4136.3929999061
0
0
-1
Other
https://www.google-analytics.com/collect?v=1&_v=j86&a=816872315&t=event&ni=1&_s=1&dl=https%3A%2F%2Fjax.de%2F&ul=en-us&de=UTF-8&dt=JAX%20%26%20W-JAX%202020%20%7C%20Konferenzen%20f%C3%BCr%20Java%2C%20Architektur%20%26%20Software-Innovationen&sd=24-bit&sr=800x600&vp=1350x940&je=0&ec=Scroll%20Depth&ea=Percentage&el=25%25&_u=aGDACEABBAAAAC~&jid=&gjid=&cid=7063733.1602061354&tid=UA-18197080-1&_gid=218445939.1602061354&gtm=2wg9n1PRXPLV&z=1342441279
4528.7910001352
4531.9650000893
614
35
200
image/gif
Image
https://www.youtube.com/api/stats/qoe?event=streamingstats&cpn=gxOdRtE8Z6oBMmeY&ei=KoR9X7C9Ksee8wTkpYOABg&el=embedded&docid=yl2xZESF0TU&ns=yt&fexp=23722139%2C23735347%2C23744176%2C23804281%2C23827034%2C23839597%2C23856950%2C23862346%2C23880043%2C23881440%2C23882502%2C23884386%2C23885574%2C23895671%2C23911055%2C23912909%2C23915654%2C23915991%2C23916148%2C23918597%2C23921554%2C23928508%2C23930220%2C23934970%2C23938047%2C23940704%2C23942338%2C23942770%2C23944780%2C23945480%2C23946421%2C23947407%2C23947698%2C23948841%2C23949310%2C23949503%2C23949557%2C23949579%2C23949704%2C23951192%2C23953834%2C23955099%2C24631343%2C9449243&cl=335323102&seq=1&c=WEB_EMBEDDED_PLAYER&cver=20201005&cplayer=UNIPLAYER&cbr=Chrome&cbrver=84.0.4143.7&cos=Macintosh&cosver=10_14_6&vps=0.000:N,0.000:ER&cmt=0.000:0.000,0.000:0.000&error=0.000:html5.missingapi:0.000:nocodecs.1;a6s.0&vis=0.000:0&bh=0.000:0.000
4705.3490001708
4850.0890000723
0
0
-1
Other
https://www.youtube.com/s/player/1a1b48e5/player_ias.vflset/en_US/embed.js
4829.859000165
4835.0080000237
11736
35994
200
text/javascript
Script
4834.9089999683
4834.9609998986
0
175
200
image/png
Image
4835.9929998405
4836.0429997556
0
357
200
image/png
Image
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
4842.6749999635
4846.3030001149
11369
10748
200
font/woff2
Font
https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmEU9fBBc4AMP6lQ.woff2
4918.0709999055
4923.0929999612
11409
10788
200
font/woff2
Font
Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
1087.689
9.054
1101.502
107.174
1208.696
5.596
2781.741
8.42
2790.267
194.85
2985.139
22.481
3011.741
8.574
3027.897
32.126
3060.274
8.364
3071.466
18.448
3093.237
16.852
3110.392
10.154
3120.762
11.713
3132.737
9.065
3141.98
34.831
3196.664
22.418
3219.679
12.16
3239.347
6.717
3250.286
17.841
3268.143
10.188
3290.557
18.866
3309.609
25.508
3337.601
5.133
3343.02
154.804
3497.847
5.926
3503.825
32.376
3558.559
13.066
3573.237
31.091
3619.418
35.129
3662.028
13.289
3679.499
10.238
3692.827
30.149
3724.192
9.065
3734.669
9.42
3748.095
22.643
3786.886
10.314
3899.043
108.329
4037.761
19.534
4069.269
8.98
4078.443
12.803
4153.871
10.421
4547.043
13.505
4653.98
211.15
4866.241
15.108
4889.256
17.571
4907.83
5.736
4923.903
32.341
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data

Opportunities

Defer offscreen images — Potential savings of 3 KiB
Time to Interactive can be slowed down by resources on the page. Jax.de should consider lazy-loading offscreen and hidden images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://cdnjs.cloudflare.com/ajax/libs/cookieconsent2/1.0.9/logo.png
3083
3083
Minify CSS — Potential savings of 8 KiB
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Jax.de should consider minifying CSS files.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://jax.de/wp-content/themes/thekeynote-v1-00/style.css
34767
4838
https://jax.de/wp-content/themes/sands-events-subtheme/style.css?x98406
10446
3013
Minify JavaScript — Potential savings of 29 KiB
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Jax.de should consider minifying JS files.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://jax.de/wp-content/plugins/sands-countdown-client/include/moment.js?x98406
31699
11481
https://jax.de/wp-content/plugins/wp-google-maps/lib/spectrum.js?x98406
18718
8631
https://jax.de/wp-content/plugins/cf7-conditional-fields/js/scripts.js?x98406
16243
6372
https://jax.de/wp-content/themes/sands-events-subtheme/js/bootstrap-select/dist/js/bootstrap-select.js?x98406
10523
3527
Remove unused CSS — Potential savings of 110 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Jax.de should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.youtube.com/s/player/1a1b48e5/www-player-webp.css
49420
47811
https://jax.de/wp-content/themes/thekeynote-v1-00/style.css
34767
34767
https://jax.de/wp-content/themes/sands-events-subtheme/css/bootstrap.min.css?x98406
20225
19384
https://jax.de/wp-content/themes/thekeynote-v1-00/stylesheet/style-custom.css?x98406
11965
11106
Efficiently encode images
Unoptimized images can consume more cellular data than what is necessary.
Enable text compression
Text-based resources should be served with compression, such as gzip, deflate or brotli.
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Avoid multiple page redirects — Potential savings of 190 ms
Redirects can cause additional delays before the page can begin loading. Jax.de should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://jax.de/
190
https://jax.de/
0
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. Jax.de should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Avoid serving legacy JavaScript to modern browsers — Potential savings of 19 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://connect.facebook.net/signals/config/407071789447604?v=2.9.27&r=stable
12206
https://jax.de/wp-includes/js/wp-api.min.js?x98406
6765
https://connect.facebook.net/en_US/fbevents.js
44
https://jax.de/wp-content/plugins/cf7-conditional-fields/js/scripts.js?x98406
20

Diagnostics

Avoid chaining critical requests — 80 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Jax.de should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures — 4 user timings
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
Name Type Start Time (Ms) Duration (Ms)
mark_pe
Mark
3958.518
mark_ol
Mark
3986.28
mark_fs
Mark
4679.258
mark_qoes
Mark
4703.077
JavaScript execution time — 0.8 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://jax.de/
467.131
110.552
8.394
https://www.youtube.com/s/player/1a1b48e5/www-embed-player.vflset/www-embed-player.js
240.071
223.6
3.45
https://jax.de/wp-includes/js/jquery/jquery.js?x98406
239.151
205.92
1.973
Unattributable
178.967
1.737
0.302
https://www.youtube.com/s/player/1a1b48e5/player_ias.vflset/en_US/base.js
125.478
64.52
33.763
https://www.googletagmanager.com/gtm.js?id=GTM-PRXPLV
80.306
71.314
5.394
https://jax.de/wp-content/plugins/wp-google-maps/lib/ol.js?x98406
77.938
68.584
9.354
https://www.youtube.com/embed/yl2xZESF0TU?enablejsapi=1&origin=https%3A%2F%2Fjax.de
71.69
15.544
4.59
Minimizes main-thread work — 1.9 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
977.134
Other
266.893
Style & Layout
205.497
Script Parsing & Compilation
137.12
Parse HTML & CSS
133.284
Rendering
105.736
Garbage Collection
30.759
Keep request counts low and transfer sizes small — 143 requests • 3,208 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
143
3285069
Script
68
1934456
Image
16
916781
Stylesheet
38
240493
Font
5
117111
Document
4
66653
Other
12
9575
Media
0
0
Third-party
52
1634624
Minimize third-party usage — Third-party code blocked the main thread for 150 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
SHOW DETAILS
1226513
151.454
SHOW DETAILS
139108
0
SHOW DETAILS
95679
0
SHOW DETAILS
53637
0
SHOW DETAILS
52939
0
SHOW DETAILS
21581
0
SHOW DETAILS
20530
0
SHOW DETAILS
8426
0
SHOW DETAILS
5421
0
SHOW DETAILS
3472
0
SHOW DETAILS
2758
0
SHOW DETAILS
1556
0
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
Die Konferenzen für Java, Architektur- und Software-Innovation
Avoid large layout shifts — 5 elements found
Below is a list of all DOM elements that contribute to the CLS of the page.
Element CLS Contribution
Die Konferenzen für Java, Architektur- und Software-Innovation
0.064459011937807
div
0.041830118321545
Die Konferenzen für Java, Architektur- und Software-Innovation
0.040239544988
Die Konferenzen für Java, Architektur- und Software-Innovation
0.0011695623908492
Die Konferenzen für Java, Architektur- und Software-Innovation
0.00079589597531838
Avoids `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
Avoid long main-thread tasks — 5 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://jax.de/wp-includes/js/jquery/jquery.js?x98406
5120
195
https://www.youtube.com/s/player/1a1b48e5/player_ias.vflset/en_US/base.js
4000
108
https://jax.de/
380
107
https://www.youtube.com/s/player/1a1b48e5/www-embed-player.vflset/www-embed-player.js
4108
106
https://jax.de/wp-content/plugins/sliderpro/public/assets/js/jquery.sliderPro.min.js?x98406
7260
77
Avoid non-composited animations
It is recommended to avoid non-composited animations which are often janky and increase CLS.

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Metrics

Cumulative Layout Shift — 0.148
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Other

First CPU Idle — 3.8 s
The time taken for the page's main thread to be quiet enough to handle input.
Max Potential First Input Delay — 150 ms
Users could experience a delay when interacting with the page.

Opportunities

Properly size images — Potential savings of 353 KiB
Images can slow down the page's load time. Jax.de should consider serving more appropriate-sized images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://jax.de/wp-content/uploads/2020/04/Speaker_WJAX-1.png
328234
184674
https://jax.de/wp-content/uploads/2020/04/Speaker_JAX-1.png
304432
176992
Remove unused JavaScript — Potential savings of 712 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.youtube.com/s/player/1a1b48e5/player_ias.vflset/en_US/base.js
468197
325990
https://jax.de/wp-content/plugins/wp-google-maps/lib/ol.js?x98406
159129
113898
https://www.gstatic.com/recaptcha/releases/48TunWH-ZrLteSwFVbw6tVnx/recaptcha__de.js
139108
102811
https://connect.facebook.net/signals/config/407071789447604?v=2.9.27&r=stable
71517
54186
https://www.youtube.com/s/player/1a1b48e5/www-embed-player.vflset/www-embed-player.js
54393
35846
https://s.ytimg.com/yts/jsbin/www-widgetapi-vflEYmXTN/www-widgetapi.js
38492
27307
https://jax.de/wp-content/plugins/wp-google-maps/js/jquery.dataTables.min.js?x98406
28464
23840
https://jax.de/wp-content/plugins/wp-google-maps-pro/js/v8/wp-google-maps-pro.min.js?x98406
30309
22900
https://jax.de/wp-content/plugins/sands-countdown-client/include/moment.js?x98406
31699
22719
Serve images in next-gen formats — Potential savings of 576 KiB
Image formats like PNG and JPEG have poor compression when compared to other next-gen formats, such as JPEG 200, JPEG XR and WebP.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://jax.de/wp-content/uploads/2020/04/Speaker_WJAX-1.png
328234
263540
https://jax.de/wp-content/uploads/2020/04/Speaker_JAX-1.png
304432
243106
https://jax.de/wp-content/uploads/2020/04/JAX_MLC_Website_Header_Desktop.jpg
216939
61985
https://jax.de/wp-content/uploads/2020/04/JAX_MLC_Website_Skyline_MUC.png
15472
11104
https://jax.de/wp-content/uploads/2020/04/JAX_MLC_Website_Skyline_MZ.png
13264
9658

Diagnostics

Avoid enormous network payloads — Total size was 3,208 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://www.youtube.com/s/player/1a1b48e5/player_ias.vflset/en_US/base.js
468197
https://www.youtube.com/s/player/1a1b48e5/player_ias.vflset/en_US/base.js
468197
https://jax.de/wp-content/uploads/2020/04/Speaker_WJAX-1.png
328564
https://jax.de/wp-content/uploads/2020/04/Speaker_JAX-1.png
304762
https://jax.de/wp-content/uploads/2020/04/JAX_MLC_Website_Header_Desktop.jpg
217270
https://jax.de/wp-content/plugins/wp-google-maps/lib/ol.js?x98406
159129
https://www.gstatic.com/recaptcha/releases/48TunWH-ZrLteSwFVbw6tVnx/recaptcha__de.js
139108
https://connect.facebook.net/signals/config/407071789447604?v=2.9.27&r=stable
71517
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/font-awesome-new/fonts/fontawesome-webfont.woff?v=4.2.0
65774
https://www.youtube.com/s/player/1a1b48e5/www-embed-player.vflset/www-embed-player.js
54393
Avoid an excessive DOM size — 1,006 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
1,006
Maximum DOM Depth
SHOW DETAILS
18
Maximum Child Elements
SHOW DETAILS
41

Metrics

First Contentful Paint — 3.3 s
The time taken for the first image or text on the page to be rendered.
Speed Index — 4.9 s
The time taken for the page contents to be visibly populated.
Largest Contentful Paint — 4.8 s
The timing of the largest text or image that is painted.
Time to Interactive — 5.6 s
The time taken for the page to become fully interactive.

Other

First Meaningful Paint — 3.3 s
The time taken for the primary content of the page to be rendered.

Opportunities

Eliminate render-blocking resources — Potential savings of 4,340 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. Jax.de should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://jax.de/wp-includes/css/dist/block-library/style.min.css?x98406
6503
110
https://jax.de/wp-content/plugins/wp-google-maps/lib/ol.css?x98406
1518
150
https://jax.de/wp-content/plugins/wp-google-maps/css/open-layers.css?x98406
1104
150
https://jax.de/wp-content/plugins/wp-google-maps/css/font-awesome.min.css?x98406
4354
150
https://jax.de/wp-content/plugins/wp-google-maps/lib/remodal.css?x98406
1006
150
https://jax.de/wp-content/plugins/wp-google-maps/lib/remodal-default-theme.css?x98406
1686
150
https://jax.de/wp-content/plugins/wp-google-maps/css/gutenberg.css?x98406
428
70
https://jax.de/wp-content/plugins/contact-form-7/includes/css/styles.css?x98406
987
70
https://jax.de/wp-content/plugins/sands-header-builder/include/style.css?x98406
937
70
https://jax.de/wp-content/plugins/sands-sitcky-newsletter/include/style.css?x98406
683
70
https://jax.de/wp-content/plugins/sands-sticky-mobile-menu/include/style.css?x98406
1529
70
https://jax.de/wp-content/plugins/sands-tracks-list/style.css?x98406
891
70
https://jax.de/wp-content/plugins/sands_advanced_tickets_display/assets/css/sands_advanced_tickets_display.css?x98406
4296
70
https://jax.de/wp-content/plugins/sands_advanced_tickets_display/assets/libs/jquery.bxslider/jquery.bxslider.min.css?x98406
1179
70
https://jax.de/wp-content/plugins/subscription-integration-nl-registration/include/style.css?x98406
1128
70
https://jax.de/wp-content/plugins/wen-logo-slider/vendors/slick-carousel/slick.css?x98406
907
70
https://jax.de/wp-content/plugins/wen-logo-slider/vendors/slick-carousel/slick-theme.css?x98406
1234
70
https://jax.de/wp-content/plugins/wen-logo-slider/public/css/wen-logo-slider-public.css?x98406
1272
70
https://jax.de/wp-content/plugins/flexslider-hg/css/flexslider.css?x98406
1999
70
https://jax.de/wp-content/plugins/sliderpro/public/assets/css/slider-pro.min.css?x98406
2614
70
https://jax.de/wp-content/plugins/wbounce/frontend/css/min/wbounce-all.min.css?x98406
1324
70
https://jax.de/wp-content/themes/sands-events-subtheme/style.css?x98406
10446
150
https://fonts.googleapis.com/css?family=Montserrat%3Aregular%2C700&subset=latin&ver=5.3.2
1602
230
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/superfish/css/superfish.css?x98406
1500
70
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/dl-menu/component.css?x98406
2405
70
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/font-awesome-new/css/font-awesome.min.css?x98406
5382
110
https://jax.de/wp-content/themes/thekeynote-v1-00/stylesheet/style-responsive.css?x98406
1946
70
https://jax.de/wp-content/themes/thekeynote-v1-00/stylesheet/style-custom.css?x98406
11965
150
https://jax.de/wp-content/plugins/mailchimp-for-wp/assets/css/form-basic.min.css?x98406
1035
70
https://jax.de/wp-content/plugins/cf7-conditional-fields/style.css?x98406
951
70
https://jax.de/wp-content/plugins/contact-form-7/includes/js/jquery-ui/themes/smoothness/jquery-ui.min.css?x98406
7716
110
https://jax.de/wp-includes/js/jquery/jquery.js?x98406
34134
270
https://jax.de/wp-includes/js/jquery/jquery-migrate.min.js?x98406
4370
70
https://jax.de/wp-content/plugins/sands_multi_lang_cf7/assets/js/sands_multi_lang_cf7.js?x98406
562
70
https://jax.de/wp-content/plugins/wp-google-maps/lib/ol.js?x98406
159129
710
https://jax.de/wp-content/plugins/wp-google-maps/js/jquery.dataTables.min.js?x98406
28464
230
https://jax.de/wp-content/plugins/wp-google-maps/lib/jquery-cookie.js?x98406
1844
70
https://jax.de/wp-content/plugins/wp-google-maps/lib/remodal.min.js?x98406
3035
70
https://jax.de/wp-content/plugins/wp-google-maps/lib/spectrum.js?x98406
18718
150
https://jax.de/wp-content/plugins/wp-google-maps/wpgmza_data.js?x98406
365
70
https://jax.de/wp-content/plugins/wp-google-maps-pro/js/v8/wp-google-maps-pro.min.js?x98406
30309
230
https://jax.de/wp-content/plugins/sands-countdown-client/include/moment.js?x98406
31699
230
https://jax.de/wp-content/plugins/sands-countdown-client/include/moment-timezone-with-data.min.js?x98406
26273
190
https://jax.de/wp-content/plugins/sands-header-builder/include/script.js?x98406
741
70
https://jax.de/wp-content/plugins/sands-multi-location/assets/js/sands-multi-loc.js?x98406
3446
70
https://jax.de/wp-content/plugins/sands-sitcky-newsletter/include/script.js?x98406
728
70
https://jax.de/wp-content/plugins/sands-sticky-mobile-menu/include/script.js?x98406
1335
70
https://jax.de/wp-content/plugins/sands-tracks-list/script.js?x98406
742
70
https://jax.de/wp-content/plugins/sands_slider/scripts/jquery.bxslider.min.js?x98406
5673
70
https://jax.de/wp-content/plugins/subscription-integration-nl-registration/include/script.js?x98406
1056
70
https://jax.de/wp-content/plugins/wen-logo-slider/vendors/slick-carousel/slick.min.js?x98406
10799
110
https://jax.de/wp-content/plugins/wbounce/frontend/js/min/wbounce.min.js?x98406
1937
70
https://jax.de/wp-content/themes/sands-events-subtheme/css/bootstrap.min.css?x98406
20225
190
https://jax.de/wp-content/themes/sands-events-subtheme/js/bootstrap-select/dist/css/bootstrap-select.min.css?x98406
1789
70
https://jax.de/wp-content/themes/sands-events-subtheme/js/jquery.cookie.js?x98406
1750
70
https://jax.de/wp-content/themes/sands-events-subtheme/sands-functions.js?x98406
4458
70
https://jax.de/wp-content/themes/sands-events-subtheme/js/bootstrap.min.js?x98406
10101
110
https://jax.de/wp-content/themes/sands-events-subtheme/js/bootstrap-select/dist/js/bootstrap-select.js?x98406
10523
110
https://jax.de/wp-content/themes/sands-events-subtheme/js/js-cookie-master/src/js.cookie.js?x98406
1760
70
https://cdnjs.cloudflare.com/ajax/libs/cookieconsent2/1.0.9/cookieconsent.min.js
2635
230
Reduce initial server response time — Root document took 800 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
URL Time Spent (Ms)
https://jax.de/
797.074

Diagnostics

Serve static assets with an efficient cache policy — 98 resources found
Jax.de can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
https://jax.de/wp-content/uploads/2020/04/Speaker_WJAX-1.png
0
328564
https://jax.de/wp-content/uploads/2020/04/Speaker_JAX-1.png
0
304762
https://jax.de/wp-content/uploads/2020/04/JAX_MLC_Website_Header_Desktop.jpg
0
217270
https://jax.de/wp-content/plugins/wp-google-maps/lib/ol.js?x98406
0
159129
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/font-awesome-new/fonts/fontawesome-webfont.woff?v=4.2.0
0
65774
https://jax.de/wp-content/themes/thekeynote-v1-00/style.css
0
34767
https://jax.de/wp-includes/js/jquery/jquery.js?x98406
0
34134
https://jax.de/wp-content/plugins/sands-countdown-client/include/moment.js?x98406
0
31699
https://jax.de/wp-content/plugins/wp-google-maps-pro/js/v8/wp-google-maps-pro.min.js?x98406
0
30309
https://jax.de/wp-content/plugins/wp-google-maps/js/jquery.dataTables.min.js?x98406
0
28464
https://jax.de/wp-content/plugins/sands-countdown-client/include/moment-timezone-with-data.min.js?x98406
0
26273
https://jax.de/wp-content/themes/sands-events-subtheme/css/bootstrap.min.css?x98406
0
20225
https://jax.de/wp-content/plugins/sliderpro/public/assets/js/jquery.sliderPro.min.js?x98406
0
19484
https://jax.de/wp-content/plugins/wp-google-maps/lib/spectrum.js?x98406
0
18718
https://jax.de/wp-content/plugins/cf7-conditional-fields/js/scripts.js?x98406
0
16243
https://jax.de/wp-content/uploads/2020/04/JAX_MLC_Website_Skyline_MUC.png
0
15800
https://jax.de/wp-content/uploads/2020/04/JAX_MLC_Website_Skyline_MZ.png
0
13592
https://jax.de/wp-content/uploads/2020/04/JAX_MLC_Website_Logo_WJAX_Desktop-1.png
0
12793
https://jax.de/wp-content/themes/thekeynote-v1-00/stylesheet/style-custom.css?x98406
0
11965
https://jax.de/wp-content/uploads/2020/04/JAX_MLC_Website_Logo_JAX_Desktop-1.png
0
11687
https://jax.de/wp-content/plugins/wen-logo-slider/vendors/slick-carousel/slick.min.js?x98406
0
10799
https://jax.de/wp-content/themes/sands-events-subtheme/js/bootstrap-select/dist/js/bootstrap-select.js?x98406
0
10523
https://jax.de/wp-content/themes/sands-events-subtheme/style.css?x98406
0
10446
https://jax.de/wp-content/themes/sands-events-subtheme/js/bootstrap.min.js?x98406
0
10101
https://jax.de/wp-includes/js/backbone.min.js?x98406
0
8211
https://jax.de/wp-content/plugins/contact-form-7/includes/js/jquery-ui/themes/smoothness/jquery-ui.min.css?x98406
0
7716
https://jax.de/wp-content/themes/thekeynote-v1-00/javascript/gdlr-script.js?x98406
0
7273
https://jax.de/wp-content/plugins/mailchimp-for-wp/assets/js/forms-api.min.js?x98406
0
7078
https://jax.de/wp-includes/css/dist/block-library/style.min.css?x98406
0
6503
https://jax.de/wp-content/plugins/sands_advanced_tickets_display/assets/libs/jquery.bxslider/jquery.bxslider.min.js?x98406
0
6445
https://jax.de/wp-includes/js/underscore.min.js?x98406
0
6032
https://jax.de/wp-content/plugins/sands_slider/scripts/jquery.bxslider.min.js?x98406
0
5673
https://jax.de/wp-content/plugins/flexslider-hg/js/jquery.flexslider-min.js?x98406
0
5603
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/font-awesome-new/css/font-awesome.min.css?x98406
0
5382
https://jax.de/wp-includes/js/wp-emoji-release.min.js?ver=5.3.2
0
4982
https://jax.de/wp-includes/js/wp-api.min.js?x98406
0
4466
https://jax.de/wp-content/themes/sands-events-subtheme/sands-functions.js?x98406
0
4458
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/dl-menu/modernizr.custom.js?x98406
0
4397
https://jax.de/wp-includes/js/jquery/jquery-migrate.min.js?x98406
0
4370
https://jax.de/wp-content/plugins/wp-google-maps/css/font-awesome.min.css?x98406
0
4354
https://jax.de/wp-content/plugins/sands_advanced_tickets_display/assets/css/sands_advanced_tickets_display.css?x98406
0
4296
https://jax.de/wp-content/plugins/sands-multi-location/assets/js/sands-multi-loc.js?x98406
0
3446
https://jax.de/wp-content/plugins/wp-google-maps/lib/remodal.min.js?x98406
0
3035
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/superfish/js/superfish.js?x98406
0
2700
https://jax.de/wp-content/plugins/sliderpro/public/assets/css/slider-pro.min.css?x98406
0
2614
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/dl-menu/component.css?x98406
0
2405
https://jax.de/wp-content/uploads/2019/11/JAX20_Website_Logo_130x50_53929_v1_dark.png
0
2377
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/jquery.easing.js?x98406
0
2342
https://jax.de/wp-content/plugins/flexslider-hg/css/flexslider.css?x98406
0
1999
https://jax.de/wp-content/themes/thekeynote-v1-00/stylesheet/style-responsive.css?x98406
0
1946
https://jax.de/wp-content/plugins/wbounce/frontend/js/min/wbounce.min.js?x98406
0
1937
https://jax.de/wp-content/plugins/wp-google-maps/lib/jquery-cookie.js?x98406
0
1844
https://jax.de/wp-content/uploads/2020/06/WJAX20_Website_HybridBanner_Icon_v1.png
0
1836
https://jax.de/wp-content/themes/sands-events-subtheme/js/bootstrap-select/dist/css/bootstrap-select.min.css?x98406
0
1789
https://jax.de/wp-content/themes/sands-events-subtheme/js/js-cookie-master/src/js.cookie.js?x98406
0
1760
https://jax.de/wp-content/themes/sands-events-subtheme/js/jquery.cookie.js?x98406
0
1750
https://jax.de/wp-content/plugins/wp-google-maps/lib/remodal-default-theme.css?x98406
0
1686
https://jax.de/wp-content/plugins/sands-sticky-mobile-menu/include/style.css?x98406
0
1529
https://jax.de/wp-content/plugins/wp-google-maps/lib/ol.css?x98406
0
1518
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/superfish/css/superfish.css?x98406
0
1500
https://jax.de/wp-content/plugins/sands-sticky-mobile-menu/include/script.js?x98406
0
1335
https://jax.de/wp-content/plugins/wbounce/frontend/css/min/wbounce-all.min.css?x98406
0
1324
https://jax.de/wp-content/plugins/wen-logo-slider/public/css/wen-logo-slider-public.css?x98406
0
1272
https://jax.de/wp-content/plugins/mailchimp-for-wp-sands-ajax//assets/js/sands_mc4wp.js?x98406
0
1268
https://jax.de/wp-content/plugins/wen-logo-slider/vendors/slick-carousel/slick-theme.css?x98406
0
1234
https://jax.de/wp-content/plugins/sands_advanced_tickets_display/assets/libs/jquery.bxslider/jquery.bxslider.min.css?x98406
0
1179
https://jax.de/wp-content/plugins/subscription-integration-nl-registration/include/style.css?x98406
0
1128
https://jax.de/wp-content/plugins/wp-google-maps/css/open-layers.css?x98406
0
1104
https://jax.de/wp-includes/js/wp-embed.min.js?x98406
0
1094
https://jax.de/wp-content/plugins/sands_advanced_tickets_display/assets/js/sands_advanced_tickets_display.js?x98406
0
1068
https://jax.de/wp-content/plugins/subscription-integration-nl-registration/include/script.js?x98406
0
1056
https://jax.de/wp-content/plugins/mailchimp-for-wp/assets/css/form-basic.min.css?x98406
0
1035
https://jax.de/wp-content/plugins/wp-google-maps/lib/remodal.css?x98406
0
1006
https://jax.de/wp-content/plugins/contact-form-7/includes/css/styles.css?x98406
0
987
https://jax.de/wp-content/plugins/cf7-conditional-fields/style.css?x98406
0
951
https://jax.de/wp-content/plugins/sands-header-builder/include/style.css?x98406
0
937
https://jax.de/wp-content/plugins/wen-logo-slider/vendors/slick-carousel/slick.css?x98406
0
907
https://jax.de/wp-content/plugins/sands-tracks-list/style.css?x98406
0
891
https://jax.de/wp-includes/js/hoverIntent.min.js?x98406
0
810
https://jax.de/wp-includes/js/api-request.min.js?x98406
0
798
https://jax.de/wp-content/plugins/sands-tracks-list/script.js?x98406
0
742
https://jax.de/wp-content/plugins/sands-header-builder/include/script.js?x98406
0
741
https://p.adsymptotic.com/d/px/?_pid=16218&_psign=0aa5badf92527f7732e22463d6fa4dbc&coopa=0&gdpr=0&gdpr_consent=&_puuid=207fe459-fe5d-4ca3-be86-3a0677924ce6&_expected_cookie=b8696b80f80523b22f55999a4914c0e1
0
737
https://jax.de/wp-content/plugins/sands-sitcky-newsletter/include/script.js?x98406
0
728
https://jax.de/wp-content/plugins/sands-sitcky-newsletter/include/style.css?x98406
0
683
https://jax.de/wp-content/plugins/sands-new-theme/ijc-style_old.css?x98406
0
644
https://jax.de/wp-content/plugins/sands_multi_lang_cf7/assets/js/sands_multi_lang_cf7.js?x98406
0
562
https://jax.de/wp-content/plugins/wp-google-maps/css/gutenberg.css?x98406
0
428
https://jax.de/wp-content/plugins/wp-google-maps/wpgmza_data.js?x98406
0
365
https://static.doubleclick.net/instream/ad_status.js
900000
644
https://connect.facebook.net/signals/config/407071789447604?v=2.9.27&r=stable
1200000
71517
https://connect.facebook.net/en_US/fbevents.js
1200000
23699
https://www.google-analytics.com/analytics.js
7200000
19293
https://snap.licdn.com/li.lms-analytics/insight.beta.min.js
16971000
2113
https://snap.licdn.com/li.lms-analytics/insight.min.js
44646000
761
https://s.ytimg.com/yts/jsbin/www-widgetapi-vflEYmXTN/www-widgetapi.js
691200000
38492
https://www.youtube.com/yts/jsbin/fetch-polyfill-vfl6MZH8P/fetch-polyfill.js
691200000
3694
https://www.youtube.com/yts/jsbin/fetch-polyfill-vfl6MZH8P/fetch-polyfill.js
691200000
3694
Ensure text remains visible during webfont load
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
URL Potential Savings (Ms)
https://fonts.gstatic.com/s/montserrat/v15/JTUSjIg1_i6t8kCHKm459WlhyyTh89Y.woff2
3.4070000983775
https://fonts.gstatic.com/s/montserrat/v15/JTURjIg1_i6t8kCHKm45_dJE3gnD_vx3rCs.woff2
3.1099999323487
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/font-awesome-new/fonts/fontawesome-webfont.woff?v=4.2.0
330.97200002521
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
3.628000151366
https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmEU9fBBc4AMP6lQ.woff2
5.0220000557601
Does not use passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
URL Location
https://jax.de/wp-includes/js/jquery/jquery.js?x98406
line: 2
https://www.youtube.com/s/player/1a1b48e5/player_ias.vflset/en_US/base.js
line: 5633
https://www.youtube.com/s/player/1a1b48e5/player_ias.vflset/en_US/base.js
line: 4764
Replace unnecessarily large JavaScript libraries — 1 large library found
It is recommended to work with smaller JavaScript libraries to reduce your bundle size and avoid poor performance.
Library Transfer Size (Bytes) Potential Savings (Bytes)
SHOW DETAILS
72054
74

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of jax.de. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.
It is advised to not include data elements in tables which are used for layout purposes, as it may create confusion for screen reader and other assistive technology users.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Jax.de may provide assistance to deaf or hearing-impaired users with captions on videos.
`<video>` elements contain a `<track>` element with `[kind="description"]`
Jax.de may provide relevant information that dialogue cannot, by using audio descriptions.

Contrast

Background and foreground colors do not have a sufficient contrast ratio.
Many (if not most) users find low-contrast text difficult or impossible to read.
Failing Elements
Mehr Infos
SPONSOR WERDEN
NEWSLETTER ABONNIEREN

Names and labels

`<frame>` or `<iframe>` elements do not have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
Failing Elements
iframe
Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img
img
img
img
Form elements do not have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
Failing Elements
input
input
input
Links do not have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.

Navigation

Heading elements are not in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
Failing Elements
WEBSITE
WEBSITE

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
64

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that jax.de should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
Serves images with appropriate resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Page has the HTML doctype
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.
Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Avoids Application Cache
Application cache is deprecated and is no longer recommended.
Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
Bootstrap
3.3.5
jQuery
1.12.4
Modernizr
2.6.2
Backbone
1.4.0
Underscore
1.8.3
yepnope
Moment.js
2.18.1
Moment Timezone
0.5.13
FlexSlider
WordPress
5.3.2
core-js
3.0.0: pure
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.

Audits

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL
http://jax.de/
Links to cross-origin destinations are unsafe
Improve performance and prevent security vulnerabilities by adding rel="noopener" and rel="noreferrer" to external links.
Includes front-end JavaScript libraries with known security vulnerabilities — 10 vulnerabilities detected
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Library Version Vulnerability Count Highest Severity
SHOW DETAILS
5
Medium
SHOW DETAILS
4
Medium
SHOW DETAILS
1
Low

Audits

Registers an `unload` listener
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.
URL
SHOW DETAILS
Browser errors were logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
URL Description
https://www.facebook.com/tr/
Failed to load resource: net::ERR_BLOCKED_BY_CLIENT.Inspector
https://www.youtube.com/api/stats/qoe?event=streamingstats&cpn=gxOdRtE8Z6oBMmeY&ei=KoR9X7C9Ksee8wTkpYOABg&el=embedded&docid=yl2xZESF0TU&ns=yt&fexp=23722139%2C23735347%2C23744176%2C23804281%2C23827034%2C23839597%2C23856950%2C23862346%2C23880043%2C23881440%2C23882502%2C23884386%2C23885574%2C23895671%2C23911055%2C23912909%2C23915654%2C23915991%2C23916148%2C23918597%2C23921554%2C23928508%2C23930220%2C23934970%2C23938047%2C23940704%2C23942338%2C23942770%2C23944780%2C23945480%2C23946421%2C23947407%2C23947698%2C23948841%2C23949310%2C23949503%2C23949557%2C23949579%2C23949704%2C23951192%2C23953834%2C23955099%2C24631343%2C9449243&cl=335323102&seq=1&c=WEB_EMBEDDED_PLAYER&cver=20201005&cplayer=UNIPLAYER&cbr=Chrome&cbrver=84.0.4143.7&cos=Macintosh&cosver=10_14_6&vps=0.000:N,0.000:ER&cmt=0.000:0.000,0.000:0.000&error=0.000:html5.missingapi:0.000:nocodecs.1;a6s.0&vis=0.000:0&bh=0.000:0.000
Failed to load resource: net::ERR_BLOCKED_BY_CLIENT.Inspector
Missing source maps for large first-party JavaScript
Consider deploying source maps for added benefits such as the ability to debug while in production.
URL Map URL
https://jax.de/wp-content/plugins/wp-google-maps/lib/ol.js?x98406
https://jax.de/wp-content/plugins/mailchimp-for-wp/assets/js/forms-api.min.js?x98406
https://jax.de/wp-content/plugins/mailchimp-for-wp/assets/js/forms-api.min.js.map
https://jax.de/wp-content/plugins/cf7-conditional-fields/js/scripts.js?x98406
https://jax.de/wp-content/plugins/cf7-conditional-fields/js/scripts.js.map
83

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for jax.de. This includes optimizations such as providing meta data.

Mobile Friendly

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of jax.de on mobile screens.
Document uses legible font sizes
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Tap targets are sized appropriately
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Document has a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Crawling and Indexing

Links are not crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.

Content Best Practices

Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img
img
img
img

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
Avg. (All Categories) 47
Performance 8
Accessibility 73
Best Practices 57
SEO 76
Progressive Web App 21
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
URL: https://jax.de
Updated: 7th October, 2020

2.58 seconds
First Contentful Paint (FCP)
32%
48%
20%

0.02 seconds
First Input Delay (FID)
96%
2%
2%

Simulate loading on mobile
8

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for jax.de. This includes details about optimizing page load times which can result in a better user experience.

Metrics

Cumulative Layout Shift — 0.072
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Opportunities

Defer offscreen images — Potential savings of 3 KiB
Time to Interactive can be slowed down by resources on the page. Jax.de should consider lazy-loading offscreen and hidden images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://cdnjs.cloudflare.com/ajax/libs/cookieconsent2/1.0.9/logo.png
3083
3083
Minify CSS — Potential savings of 8 KiB
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Jax.de should consider minifying CSS files.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://jax.de/wp-content/themes/thekeynote-v1-00/style.css
34767
4838
https://jax.de/wp-content/themes/sands-events-subtheme/style.css?x98406
10446
3013
Efficiently encode images — Potential savings of 8 KiB
Unoptimized images can consume more cellular data than what is necessary.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://jax.de/wp-content/uploads/2020/04/JAX_MLC_Website_Header_Mobile.jpg
100831
8244
Enable text compression
Text-based resources should be served with compression, such as gzip, deflate or brotli.
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Avoid multiple page redirects — Potential savings of 630 ms
Redirects can cause additional delays before the page can begin loading. Jax.de should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://jax.de/
630
https://jax.de/
0
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. Jax.de should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Avoid serving legacy JavaScript to modern browsers — Potential savings of 19 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://connect.facebook.net/signals/config/407071789447604?v=2.9.27&r=stable
12146
https://jax.de/wp-includes/js/wp-api.min.js?x98406
6765
https://connect.facebook.net/en_US/fbevents.js
45
https://jax.de/wp-content/plugins/cf7-conditional-fields/js/scripts.js?x98406
20

Diagnostics

Avoid chaining critical requests — 80 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Jax.de should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures — 6 user timings
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
Name Type Start Time (Ms) Duration (Ms)
mark_pe
Mark
3300.75
mark_vc
Mark
3419.963
mark_pe
Mark
3634.262
mark_ol
Mark
3673.243
mark_fs
Mark
3752.082
mark_qoes
Mark
3775.272
Keep request counts low and transfer sizes small — 141 requests • 3,074 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
141
3148068
Script
69
1935466
Image
13
770814
Stylesheet
38
240448
Font
5
124384
Document
3
65051
Other
13
11905
Media
0
0
Third-party
52
1643123
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
Die Konferenzen für Java, Architektur- und Software-Innovation
Avoid large layout shifts — 4 elements found
Below is a list of all DOM elements that contribute to the CLS of the page.
Element CLS Contribution
Die Konferenzen für Java, Architektur- und Software-Innovation
0.051598899147727
div
0.014436257102273
Die Konferenzen für Java, Architektur- und Software-Innovation
0.0027760416666667
Die Konferenzen für Java, Architektur- und Software-Innovation
0.0027048611111111
Avoids `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
Avoid long main-thread tasks — 19 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://www.youtube.com/s/player/1a1b48e5/www-embed-player.vflset/www-embed-player.js
12990
907
https://jax.de/wp-includes/js/jquery/jquery.js?x98406
16800
740
https://www.youtube.com/s/player/1a1b48e5/www-embed-player.vflset/www-embed-player.js
2340
459
https://www.youtube.com/s/player/1a1b48e5/www-embed-player.vflset/www-embed-player.js
20130
371
https://jax.de/wp-content/plugins/sliderpro/public/assets/js/jquery.sliderPro.min.js?x98406
23550
358
https://jax.de/
1260
303
https://www.googletagmanager.com/gtm.js?id=GTM-PRXPLV
3599
165
https://connect.facebook.net/signals/config/407071789447604?v=2.9.27&r=stable
8027
148
https://connect.facebook.net/en_US/fbevents.js
5520
108
https://www.gstatic.com/recaptcha/releases/Y5tQ3lKwn1XL5hGgLz1kR4-1/recaptcha__de.js
7920
107
https://www.google-analytics.com/analytics.js
5220
92
https://jax.de/wp-includes/js/wp-api.min.js?x98406
22320
86
https://www.googletagmanager.com/gtm.js?id=GTM-PRXPLV
3540
59
https://cdnjs.cloudflare.com/ajax/libs/cookieconsent2/1.0.9/cookieconsent.min.js
23190
57
https://www.youtube.com/s/player/1a1b48e5/www-embed-player.vflset/www-embed-player.js
2799
54
https://www.googleadservices.com/pagead/conversion_async.js
4920
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https://connect.facebook.net/signals/config/407071789447604?v=2.9.27&r=stable
8175
52
https://jax.de/
1682
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https://www.youtube.com/s/player/1a1b48e5/www-embed-player.vflset/www-embed-player.js
21763
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Avoid non-composited animations
It is recommended to avoid non-composited animations which are often janky and increase CLS.

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Other

Network Requests
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https://googleads.g.doubleclick.net/pagead/viewthroughconversion/874056543/?random=1602061378748&cv=9&fst=1602061378748&num=1&guid=ON&resp=GooglemKTybQhCsO&u_h=640&u_w=360&u_ah=640&u_aw=360&u_cd=24&u_his=2&u_tz=-420&u_java=false&u_nplug=0&u_nmime=0&gtm=2wg9n1&sendb=1&ig=1&frm=0&url=https%3A%2F%2Fjax.de%2F&tiba=JAX%20%26%20W-JAX%202020%20%7C%20Konferenzen%20f%C3%BCr%20Java%2C%20Architektur%20%26%20Software-Innovationen&hn=www.googleadservices.com&async=1&rfmt=3&fmt=4
2887.281000003
2904.5620000106
2410
1642
200
text/javascript
Script
https://www.youtube.com/s/player/1a1b48e5/www-player.css
2888.9419999905
2917.1870000137
49419
329253
200
text/css
Stylesheet
https://www.youtube.com/s/player/1a1b48e5/www-embed-player.vflset/www-embed-player.js
2889.2590000178
2896.4900000137
54393
152275
200
text/javascript
Script
https://www.youtube.com/s/player/1a1b48e5/player_ias.vflset/en_US/base.js
2889.6039999963
2922.7919999976
468197
1451889
200
text/javascript
Script
https://www.youtube.com/yts/jsbin/fetch-polyfill-vfl6MZH8P/fetch-polyfill.js
2889.9990000064
2895.2010000066
3695
8543
200
text/javascript
Script
https://stats.g.doubleclick.net/j/collect?t=dc&aip=1&_r=3&v=1&_v=j86&tid=UA-18197080-1&cid=1044438328.1602061379&jid=1599457230&gjid=1583293755&_gid=1483735601.1602061379&_u=YEBAAEAAAAAAAC~&z=672048722
2905.8899999945
2918.5270000016
695
1
200
text/plain
XHR
https://connect.facebook.net/signals/config/407071789447604?v=2.9.27&r=stable
2936.5089999919
3026.4029999962
71163
239758
200
application/x-javascript
Script
https://t.co/i/adsct?type=javascript&version=1.1.0&p_id=Twitter&p_user_id=0&txn_id=nxros&events=%5B%5B%22pageview%22%2Cnull%5D%5D&tw_sale_amount=0&tw_order_quantity=0&tw_iframe_status=0&tw_document_href=https%3A%2F%2Fjax.de%2F
2949.4929999928
2981.8139999988
688
43
200
image/gif
Image
https://www.google.com/pagead/1p-user-list/1053876521/?random=1602061378739&cv=9&fst=1602061200000&num=1&guid=ON&u_h=640&u_w=360&u_ah=640&u_aw=360&u_cd=24&u_his=2&u_tz=-420&u_java=false&u_nplug=0&u_nmime=0&gtm=2wg9n1&sendb=1&frm=0&url=https%3A%2F%2Fjax.de%2F&tiba=JAX%20%26%20W-JAX%202020%20%7C%20Konferenzen%20f%C3%BCr%20Java%2C%20Architektur%20%26%20Software-Innovationen&async=1&fmt=3&is_vtc=1&random=1981405197&resp=GooglemKTybQhCsO&rmt_tld=0&ipr=y
2983.5639999947
3003.9950000064
754
42
200
image/gif
Image
https://snap.licdn.com/li.lms-analytics/insight.beta.min.js
2986.0590000171
2996.8980000122
2113
4106
200
application/x-javascript
Script
https://www.google.com/pagead/1p-user-list/874056543/?random=1602061378748&cv=9&fst=1602061200000&num=1&guid=ON&u_h=640&u_w=360&u_ah=640&u_aw=360&u_cd=24&u_his=2&u_tz=-420&u_java=false&u_nplug=0&u_nmime=0&gtm=2wg9n1&sendb=1&frm=0&url=https%3A%2F%2Fjax.de%2F&tiba=JAX%20%26%20W-JAX%202020%20%7C%20Konferenzen%20f%C3%BCr%20Java%2C%20Architektur%20%26%20Software-Innovationen&async=1&fmt=3&is_vtc=1&random=3228649630&resp=GooglemKTybQhCsO&rmt_tld=0&ipr=y
2988.8600000122
3010.9720000182
754
42
200
image/gif
Image
https://analytics.twitter.com/i/adsct?type=javascript&version=1.1.0&p_id=Twitter&p_user_id=0&txn_id=nxros&events=%5B%5B%22pageview%22%2Cnull%5D%5D&tw_sale_amount=0&tw_order_quantity=0&tw_iframe_status=0&tpx_cb=twttr.conversion.loadPixels&tw_document_href=https%3A%2F%2Fjax.de%2F
3167.5089999917
3347.2159999947
964
31
200
application/javascript
Script
https://googleads.g.doubleclick.net/pagead/id
3307.9540000181
3360.7110000157
1969
113
200
application/json
XHR
https://static.doubleclick.net/instream/ad_status.js
3313.4659999923
3318.2580000139
644
29
200
text/javascript
Script
https://www.youtube.com/embed/yl2xZESF0TU?enablejsapi=1&origin=https%3A%2F%2Fjax.de
3326.6559999902
3410.7709999953
10998
31690
200
text/html
Document
https://www.youtube.com/iframe_api
3325.8600000117
3352.8280000028
1355
859
200
application/javascript
Script
https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=968948&time=1602061379197&url=https%3A%2F%2Fjax.de%2F
3330.1830000128
3387.5830000034
752
0
302
https://www.facebook.com/tr/?id=407071789447604&ev=PageView&dl=https%3A%2F%2Fjax.de%2F&rl=&if=false&ts=1602061379238&sw=360&sh=640&v=2.9.27&r=stable&ec=0&o=30&fbp=fb.1.1602061379236.1901229147&it=1602061378803&coo=false&rqm=GET
3372.0479999902
3415.2999999933
611
44
200
image/gif
Image
https://s.ytimg.com/yts/jsbin/www-widgetapi-vflEYmXTN/www-widgetapi.js
3385.0960000127
3391.3040000189
38492
106491
200
text/javascript
Script
https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=968948&time=1602061379197&url=https%3A%2F%2Fjax.de%2F&cookiesTest=true
3387.8830000176
3663.3279999951
1034
0
302
https://www.youtube.com/s/player/1a1b48e5/www-player.css
3436.4340000029
3436.5690000122
49419
329253
200
text/css
Stylesheet
https://www.youtube.com/s/player/1a1b48e5/www-embed-player.vflset/www-embed-player.js
3436.6969999974
3436.7930000008
54393
152275
200
text/javascript
Script
https://www.youtube.com/s/player/1a1b48e5/player_ias.vflset/en_US/base.js
3436.904000002
3436.9989999977
468197
1451889
200
text/javascript
Script
https://www.youtube.com/yts/jsbin/fetch-polyfill-vfl6MZH8P/fetch-polyfill.js
3437.1080000128
3437.1899999969
3695
8543
200
text/javascript
Script
https://googleads.g.doubleclick.net/pagead/id
3655.8500000101
3703.6890000163
1711
113
200
application/json
XHR
https://static.doubleclick.net/instream/ad_status.js
3660.8960000158
3661.0320000036
644
29
200
text/javascript
Script
https://www.linkedin.com/px/li_sync?redirect=https%3A%2F%2Fpx.ads.linkedin.com%2Fcollect%3Fv%3D2%26fmt%3Djs%26pid%3D968948%26time%3D1602061379197%26url%3Dhttps%253A%252F%252Fjax.de%252F%26cookiesTest%3Dtrue%26liSync%3Dtrue
3664.2970000103
3877.7929999924
2626
0
302
https://www.youtube.com/api/stats/qoe?event=streamingstats&cpn=-Xmfi9G177j8ghlZ&ei=Q4R9X5vKDM3wigSJ5pBY&el=embedded&docid=yl2xZESF0TU&ns=yt&fexp=23744176%2C23748146%2C23804281%2C23839597%2C23856950%2C23857950%2C23858057%2C23862346%2C23880043%2C23882502%2C23884386%2C23894826%2C23895671%2C23911055%2C23915654%2C23915990%2C23916148%2C23918597%2C23919575%2C23928508%2C23930220%2C23934970%2C23940703%2C23942338%2C23944779%2C23946420%2C23947698%2C23948841%2C23949503%2C23949557%2C23951073%2C23951191%2C23953371%2C23953834%2C23955099%2C24590263%2C9449243&cl=335323102&seq=1&c=WEB_EMBEDDED_PLAYER&cver=20201005&cplayer=UNIPLAYER&cbr=Chrome%20Mobile&cbrver=84.0.4143.7&cos=Android&cosver=7.0&vps=0.000:N,0.000:ER&cmt=0.000:0.000,0.000:0.000&error=0.000:html5.missingapi:0.000:nocodecs.1;a6s.0&vis=0.000:0&bh=0.000:0.000
3777.2540000151
3879.0210000006
0
0
-1
Other
https://www.youtube.com/s/player/1a1b48e5/player_ias.vflset/en_US/embed.js
3867.2599999991
3872.2019999987
11736
35994
200
text/javascript
Script
3871.0889999929
3871.1260000127
0
175
200
image/png
Image
https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=968948&time=1602061379197&url=https%3A%2F%2Fjax.de%2F&cookiesTest=true&liSync=true
3879.9880000006
3929.2270000151
809
0
302
https://www.facebook.com/tr/
3893.4890000091
3900.2350000083
0
0
-1
Other
https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf
3925.6910000113
3928.688999993
15032
20860
200
font/ttf
Font
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf
3927.7160000056
3930.601
15018
20864
200
font/ttf
Font
https://p.adsymptotic.com/d/px/?_pid=16218&_psign=0aa5badf92527f7732e22463d6fa4dbc&coopa=0&gdpr=0&gdpr_consent=&_puuid=e79570a7-2c49-446a-93fc-d723ba31750c
3929.3969999999
3976.4720000094
819
0
302
https://p.adsymptotic.com/d/px/?_pid=16218&_psign=0aa5badf92527f7732e22463d6fa4dbc&coopa=0&gdpr=0&gdpr_consent=&_puuid=e79570a7-2c49-446a-93fc-d723ba31750c&_expected_cookie=581e35fcb9333a5c1c203c9bddd4f9a8
3976.6769999987
4035.6489999976
737
43
200
image/gif
Image
https://cdnjs.cloudflare.com/ajax/libs/cookieconsent2/1.0.9/dark-bottom.css
4041.4600000076
4059.7540000163
1701
3111
200
text/css
Stylesheet
https://cdnjs.cloudflare.com/ajax/libs/cookieconsent2/1.0.9/logo.png
4069.2430000054
4085.2890000097
4089
3083
200
image/png
Image
Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
1179.059
8.892
1191.3
75.858
1267.176
5.316
2408.71
9.667
2418.538
185.073
2603.631
23.825
2631.619
6.973
2639.398
15.91
2662.892
19.482
2684.454
5.852
2690.341
5.309
2695.752
14.849
2716.04
25.343
2741.51
41.277
2783.027
6.011
2789.054
6.777
2802.62
5.231
2825.746
10.471
2837.141
7.228
2844.718
21.608
2874.152
23.007
2897.19
8.372
2905.574
13.11
2926.659
6.678
2940.702
26.997
2981.776
26.791
3020.904
179.192
3208.879
9.823
3221.952
7.544
3234.075
114.64
3365.843
37.08
3433.734
10.65
3448.875
13.45
3467.628
226.781
3695.004
5.165
3702.221
12.735
3715.03
185.504
3912.955
13.009
3935.596
24.319
4069.405
14.133
4097.184
10.08
4114.054
5.34
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data

Opportunities

Minify JavaScript — Potential savings of 29 KiB
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Jax.de should consider minifying JS files.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://jax.de/wp-content/plugins/sands-countdown-client/include/moment.js?x98406
31699
11481
https://jax.de/wp-content/plugins/wp-google-maps/lib/spectrum.js?x98406
18718
8631
https://jax.de/wp-content/plugins/cf7-conditional-fields/js/scripts.js?x98406
16243
6372
https://jax.de/wp-content/themes/sands-events-subtheme/js/bootstrap-select/dist/js/bootstrap-select.js?x98406
10523
3527
Remove unused CSS — Potential savings of 110 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Jax.de should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.youtube.com/s/player/1a1b48e5/www-player.css
49419
47876
https://jax.de/wp-content/themes/thekeynote-v1-00/style.css
34767
34767
https://jax.de/wp-content/themes/sands-events-subtheme/css/bootstrap.min.css?x98406
20225
19482
https://jax.de/wp-content/themes/thekeynote-v1-00/stylesheet/style-custom.css?x98406
11965
10998

Diagnostics

Avoid enormous network payloads — Total size was 3,074 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://www.youtube.com/s/player/1a1b48e5/player_ias.vflset/en_US/base.js
468197
https://www.youtube.com/s/player/1a1b48e5/player_ias.vflset/en_US/base.js
468197
https://jax.de/wp-content/uploads/2020/04/Speaker_WJAX-1.png
328564
https://jax.de/wp-content/uploads/2020/04/Speaker_JAX-1.png
304762
https://jax.de/wp-content/plugins/wp-google-maps/lib/ol.js?x98406
159129
https://www.gstatic.com/recaptcha/releases/Y5tQ3lKwn1XL5hGgLz1kR4-1/recaptcha__de.js
139176
https://jax.de/wp-content/uploads/2020/04/JAX_MLC_Website_Header_Mobile.jpg
101162
https://connect.facebook.net/signals/config/407071789447604?v=2.9.27&r=stable
71163
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/font-awesome-new/fonts/fontawesome-webfont.woff?v=4.2.0
65774
https://www.youtube.com/s/player/1a1b48e5/www-embed-player.vflset/www-embed-player.js
54393
Avoid an excessive DOM size — 1,005 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
1,005
Maximum DOM Depth
SHOW DETAILS
18
Maximum Child Elements
SHOW DETAILS
40

Metrics

First Contentful Paint — 10.4 s
The time taken for the first image or text on the page to be rendered.
Speed Index — 16.1 s
The time taken for the page contents to be visibly populated.
Largest Contentful Paint — 18.0 s
The timing of the largest text or image that is painted.
Time to Interactive — 21.0 s
The time taken for the page to become fully interactive.
Total Blocking Time — 1,240 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).

Other

First CPU Idle — 18.1 s
The time taken for the page's main thread to be quiet enough to handle input.
Max Potential First Input Delay — 640 ms
Users could experience a delay when interacting with the page.
First Meaningful Paint — 10.4 s
The time taken for the primary content of the page to be rendered.
Estimated Input Latency — 290 ms
The time taken for the page to respond to user input (during the busiest 5 second window of page load). Users are likely to perceive jax.de as laggy when the latency is higher than 0.05 seconds.
First Contentful Paint (3G) — 20020 ms
The time taken for the first image or text on the page to be rendered while on a 3G network.

Opportunities

Eliminate render-blocking resources — Potential savings of 12,180 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. Jax.de should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://jax.de/wp-includes/css/dist/block-library/style.min.css?x98406
6503
480
https://jax.de/wp-content/plugins/wp-google-maps/lib/ol.css?x98406
1518
480
https://jax.de/wp-content/plugins/wp-google-maps/css/open-layers.css?x98406
1104
480
https://jax.de/wp-content/plugins/wp-google-maps/css/font-awesome.min.css?x98406
4354
630
https://jax.de/wp-content/plugins/wp-google-maps/lib/remodal.css?x98406
1006
480
https://jax.de/wp-content/plugins/wp-google-maps/lib/remodal-default-theme.css?x98406
1686
480
https://jax.de/wp-content/plugins/wp-google-maps/css/gutenberg.css?x98406
428
180
https://jax.de/wp-content/plugins/contact-form-7/includes/css/styles.css?x98406
987
180
https://jax.de/wp-content/plugins/sands-header-builder/include/style.css?x98406
937
180
https://jax.de/wp-content/plugins/sands-sitcky-newsletter/include/style.css?x98406
683
180
https://jax.de/wp-content/plugins/sands-sticky-mobile-menu/include/style.css?x98406
1529
180
https://jax.de/wp-content/plugins/sands-tracks-list/style.css?x98406
891
180
https://jax.de/wp-content/plugins/sands_advanced_tickets_display/assets/css/sands_advanced_tickets_display.css?x98406
4296
330
https://jax.de/wp-content/plugins/sands_advanced_tickets_display/assets/libs/jquery.bxslider/jquery.bxslider.min.css?x98406
1179
180
https://jax.de/wp-content/plugins/subscription-integration-nl-registration/include/style.css?x98406
1128
180
https://jax.de/wp-content/plugins/wen-logo-slider/vendors/slick-carousel/slick.css?x98406
907
180
https://jax.de/wp-content/plugins/wen-logo-slider/vendors/slick-carousel/slick-theme.css?x98406
1234
180
https://jax.de/wp-content/plugins/wen-logo-slider/public/css/wen-logo-slider-public.css?x98406
1272
180
https://jax.de/wp-content/plugins/flexslider-hg/css/flexslider.css?x98406
1999
180
https://jax.de/wp-content/plugins/sliderpro/public/assets/css/slider-pro.min.css?x98406
2614
180
https://jax.de/wp-content/plugins/wbounce/frontend/css/min/wbounce-all.min.css?x98406
1324
180
https://jax.de/wp-content/themes/sands-events-subtheme/style.css?x98406
10446
630
https://fonts.googleapis.com/css?family=Montserrat%3Aregular%2C700&subset=latin&ver=5.3.2
1559
780
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/superfish/css/superfish.css?x98406
1500
180
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/dl-menu/component.css?x98406
2405
180
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/font-awesome-new/css/font-awesome.min.css?x98406
5382
330
https://jax.de/wp-content/themes/thekeynote-v1-00/stylesheet/style-responsive.css?x98406
1946
180
https://jax.de/wp-content/themes/thekeynote-v1-00/stylesheet/style-custom.css?x98406
11965
780
https://jax.de/wp-content/plugins/mailchimp-for-wp/assets/css/form-basic.min.css?x98406
1035
180
https://jax.de/wp-content/plugins/cf7-conditional-fields/style.css?x98406
951
180
https://jax.de/wp-content/plugins/contact-form-7/includes/js/jquery-ui/themes/smoothness/jquery-ui.min.css?x98406
7716
480
https://jax.de/wp-includes/js/jquery/jquery.js?x98406
34134
1530
https://jax.de/wp-includes/js/jquery/jquery-migrate.min.js?x98406
4370
330
https://jax.de/wp-content/plugins/sands_multi_lang_cf7/assets/js/sands_multi_lang_cf7.js?x98406
562
180
https://jax.de/wp-content/plugins/wp-google-maps/lib/ol.js?x98406
159129
3330
https://jax.de/wp-content/plugins/wp-google-maps/js/jquery.dataTables.min.js?x98406
28464
1230
https://jax.de/wp-content/plugins/wp-google-maps/lib/jquery-cookie.js?x98406
1844
180
https://jax.de/wp-content/plugins/wp-google-maps/lib/remodal.min.js?x98406
3035
330
https://jax.de/wp-content/plugins/wp-google-maps/lib/spectrum.js?x98406
18718
780
https://jax.de/wp-content/plugins/wp-google-maps/wpgmza_data.js?x98406
365
180
https://jax.de/wp-content/plugins/wp-google-maps-pro/js/v8/wp-google-maps-pro.min.js?x98406
30309
1230
https://jax.de/wp-content/plugins/sands-countdown-client/include/moment.js?x98406
31699
1230
https://jax.de/wp-content/plugins/sands-countdown-client/include/moment-timezone-with-data.min.js?x98406
26273
930
https://jax.de/wp-content/plugins/sands-header-builder/include/script.js?x98406
741
180
https://jax.de/wp-content/plugins/sands-multi-location/assets/js/sands-multi-loc.js?x98406
3446
180
https://jax.de/wp-content/plugins/sands-sitcky-newsletter/include/script.js?x98406
728
180
https://jax.de/wp-content/plugins/sands-sticky-mobile-menu/include/script.js?x98406
1335
180
https://jax.de/wp-content/plugins/sands-tracks-list/script.js?x98406
742
180
https://jax.de/wp-content/plugins/sands_slider/scripts/jquery.bxslider.min.js?x98406
5673
330
https://jax.de/wp-content/plugins/subscription-integration-nl-registration/include/script.js?x98406
1056
180
https://jax.de/wp-content/plugins/wen-logo-slider/vendors/slick-carousel/slick.min.js?x98406
10799
480
https://jax.de/wp-content/plugins/wbounce/frontend/js/min/wbounce.min.js?x98406
1937
180
https://jax.de/wp-content/themes/sands-events-subtheme/css/bootstrap.min.css?x98406
20225
1080
https://jax.de/wp-content/themes/sands-events-subtheme/js/bootstrap-select/dist/css/bootstrap-select.min.css?x98406
1789
180
https://jax.de/wp-content/themes/sands-events-subtheme/js/jquery.cookie.js?x98406
1750
180
https://jax.de/wp-content/themes/sands-events-subtheme/sands-functions.js?x98406
4458
330
https://jax.de/wp-content/themes/sands-events-subtheme/js/bootstrap.min.js?x98406
10101
480
https://jax.de/wp-content/themes/sands-events-subtheme/js/bootstrap-select/dist/js/bootstrap-select.js?x98406
10523
480
https://jax.de/wp-content/themes/sands-events-subtheme/js/js-cookie-master/src/js.cookie.js?x98406
1760
180
https://cdnjs.cloudflare.com/ajax/libs/cookieconsent2/1.0.9/cookieconsent.min.js
2634
780
Properly size images — Potential savings of 286 KiB
Images can slow down the page's load time. Jax.de should consider serving more appropriate-sized images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://jax.de/wp-content/uploads/2020/04/Speaker_WJAX-1.png
328234
145963
https://jax.de/wp-content/uploads/2020/04/Speaker_JAX-1.png
304432
143141
https://jax.de/wp-content/uploads/2020/04/JAX_MLC_Website_Logo_WJAX_Desktop-1.png
12465
4206
Remove unused JavaScript — Potential savings of 767 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.youtube.com/s/player/1a1b48e5/player_ias.vflset/en_US/base.js
468197
378920
https://jax.de/wp-content/plugins/wp-google-maps/lib/ol.js?x98406
159129
113898
https://www.gstatic.com/recaptcha/releases/Y5tQ3lKwn1XL5hGgLz1kR4-1/recaptcha__de.js
139176
104504
https://connect.facebook.net/signals/config/407071789447604?v=2.9.27&r=stable
71163
53918
https://www.youtube.com/s/player/1a1b48e5/www-embed-player.vflset/www-embed-player.js
54393
37016
https://s.ytimg.com/yts/jsbin/www-widgetapi-vflEYmXTN/www-widgetapi.js
38492
27307
https://jax.de/wp-content/plugins/wp-google-maps/js/jquery.dataTables.min.js?x98406
28464
23840
https://jax.de/wp-content/plugins/wp-google-maps-pro/js/v8/wp-google-maps-pro.min.js?x98406
30309
22900
https://jax.de/wp-content/plugins/sands-countdown-client/include/moment.js?x98406
31699
22719
Serve images in next-gen formats — Potential savings of 547 KiB
Image formats like PNG and JPEG have poor compression when compared to other next-gen formats, such as JPEG 200, JPEG XR and WebP.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://jax.de/wp-content/uploads/2020/04/Speaker_WJAX-1.png
328234
263540
https://jax.de/wp-content/uploads/2020/04/Speaker_JAX-1.png
304432
243106
https://jax.de/wp-content/uploads/2020/04/JAX_MLC_Website_Header_Mobile.jpg
100831
53957
Reduce initial server response time — Root document took 750 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
URL Time Spent (Ms)
https://jax.de/
754.531

Diagnostics

Serve static assets with an efficient cache policy — 97 resources found
Jax.de can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
https://jax.de/wp-content/uploads/2020/04/Speaker_WJAX-1.png
0
328564
https://jax.de/wp-content/uploads/2020/04/Speaker_JAX-1.png
0
304762
https://jax.de/wp-content/plugins/wp-google-maps/lib/ol.js?x98406
0
159129
https://jax.de/wp-content/uploads/2020/04/JAX_MLC_Website_Header_Mobile.jpg
0
101162
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/font-awesome-new/fonts/fontawesome-webfont.woff?v=4.2.0
0
65774
https://jax.de/wp-content/themes/thekeynote-v1-00/style.css
0
34767
https://jax.de/wp-includes/js/jquery/jquery.js?x98406
0
34134
https://jax.de/wp-content/plugins/sands-countdown-client/include/moment.js?x98406
0
31699
https://jax.de/wp-content/plugins/wp-google-maps-pro/js/v8/wp-google-maps-pro.min.js?x98406
0
30309
https://jax.de/wp-content/plugins/wp-google-maps/js/jquery.dataTables.min.js?x98406
0
28464
https://jax.de/wp-content/plugins/sands-countdown-client/include/moment-timezone-with-data.min.js?x98406
0
26273
https://jax.de/wp-content/themes/sands-events-subtheme/css/bootstrap.min.css?x98406
0
20225
https://jax.de/wp-content/plugins/sliderpro/public/assets/js/jquery.sliderPro.min.js?x98406
0
19484
https://jax.de/wp-content/plugins/wp-google-maps/lib/spectrum.js?x98406
0
18718
https://jax.de/wp-content/plugins/cf7-conditional-fields/js/scripts.js?x98406
0
16243
https://jax.de/wp-content/uploads/2020/04/JAX_MLC_Website_Logo_WJAX_Desktop-1.png
0
12793
https://jax.de/wp-content/themes/thekeynote-v1-00/stylesheet/style-custom.css?x98406
0
11965
https://jax.de/wp-content/uploads/2020/04/JAX_MLC_Website_Logo_JAX_Desktop-1.png
0
11687
https://jax.de/wp-content/plugins/wen-logo-slider/vendors/slick-carousel/slick.min.js?x98406
0
10799
https://jax.de/wp-content/themes/sands-events-subtheme/js/bootstrap-select/dist/js/bootstrap-select.js?x98406
0
10523
https://jax.de/wp-content/themes/sands-events-subtheme/style.css?x98406
0
10446
https://jax.de/wp-content/themes/sands-events-subtheme/js/bootstrap.min.js?x98406
0
10101
https://jax.de/wp-includes/js/backbone.min.js?x98406
0
8211
https://jax.de/wp-content/plugins/contact-form-7/includes/js/jquery-ui/themes/smoothness/jquery-ui.min.css?x98406
0
7716
https://jax.de/wp-content/themes/thekeynote-v1-00/javascript/gdlr-script.js?x98406
0
7273
https://jax.de/wp-content/plugins/mailchimp-for-wp/assets/js/forms-api.min.js?x98406
0
7078
https://jax.de/wp-includes/css/dist/block-library/style.min.css?x98406
0
6503
https://jax.de/wp-content/plugins/sands_advanced_tickets_display/assets/libs/jquery.bxslider/jquery.bxslider.min.js?x98406
0
6445
https://jax.de/wp-includes/js/underscore.min.js?x98406
0
6032
https://jax.de/wp-content/plugins/sands_slider/scripts/jquery.bxslider.min.js?x98406
0
5673
https://jax.de/wp-content/plugins/flexslider-hg/js/jquery.flexslider-min.js?x98406
0
5603
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/font-awesome-new/css/font-awesome.min.css?x98406
0
5382
https://jax.de/wp-includes/js/wp-emoji-release.min.js?ver=5.3.2
0
4982
https://jax.de/wp-includes/js/wp-api.min.js?x98406
0
4466
https://jax.de/wp-content/themes/sands-events-subtheme/sands-functions.js?x98406
0
4458
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/dl-menu/modernizr.custom.js?x98406
0
4397
https://jax.de/wp-includes/js/jquery/jquery-migrate.min.js?x98406
0
4370
https://jax.de/wp-content/plugins/wp-google-maps/css/font-awesome.min.css?x98406
0
4354
https://jax.de/wp-content/plugins/sands_advanced_tickets_display/assets/css/sands_advanced_tickets_display.css?x98406
0
4296
https://jax.de/wp-content/plugins/sands-multi-location/assets/js/sands-multi-loc.js?x98406
0
3446
https://jax.de/wp-content/plugins/wp-google-maps/lib/remodal.min.js?x98406
0
3035
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/superfish/js/superfish.js?x98406
0
2700
https://jax.de/wp-content/plugins/sliderpro/public/assets/css/slider-pro.min.css?x98406
0
2614
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/dl-menu/component.css?x98406
0
2405
https://jax.de/wp-content/uploads/2019/11/JAX20_Website_Logo_130x50_53929_v1_dark.png
0
2377
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/jquery.easing.js?x98406
0
2342
https://jax.de/wp-content/plugins/flexslider-hg/css/flexslider.css?x98406
0
1999
https://jax.de/wp-content/themes/thekeynote-v1-00/stylesheet/style-responsive.css?x98406
0
1946
https://jax.de/wp-content/plugins/wbounce/frontend/js/min/wbounce.min.js?x98406
0
1937
https://jax.de/wp-content/plugins/wp-google-maps/lib/jquery-cookie.js?x98406
0
1844
https://jax.de/wp-content/uploads/2020/06/WJAX20_Website_HybridBanner_Icon_v1.png
0
1836
https://jax.de/wp-content/themes/sands-events-subtheme/js/bootstrap-select/dist/css/bootstrap-select.min.css?x98406
0
1789
https://jax.de/wp-content/themes/sands-events-subtheme/js/js-cookie-master/src/js.cookie.js?x98406
0
1760
https://jax.de/wp-content/themes/sands-events-subtheme/js/jquery.cookie.js?x98406
0
1750
https://jax.de/wp-content/plugins/wp-google-maps/lib/remodal-default-theme.css?x98406
0
1686
https://jax.de/wp-content/plugins/sands-sticky-mobile-menu/include/style.css?x98406
0
1529
https://jax.de/wp-content/plugins/wp-google-maps/lib/ol.css?x98406
0
1518
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/superfish/css/superfish.css?x98406
0
1500
https://jax.de/wp-content/plugins/sands-sticky-mobile-menu/include/script.js?x98406
0
1335
https://jax.de/wp-content/plugins/wbounce/frontend/css/min/wbounce-all.min.css?x98406
0
1324
https://jax.de/wp-content/plugins/wen-logo-slider/public/css/wen-logo-slider-public.css?x98406
0
1272
https://jax.de/wp-content/plugins/mailchimp-for-wp-sands-ajax//assets/js/sands_mc4wp.js?x98406
0
1268
https://jax.de/wp-content/plugins/wen-logo-slider/vendors/slick-carousel/slick-theme.css?x98406
0
1234
https://jax.de/wp-content/plugins/sands_advanced_tickets_display/assets/libs/jquery.bxslider/jquery.bxslider.min.css?x98406
0
1179
https://jax.de/wp-content/plugins/subscription-integration-nl-registration/include/style.css?x98406
0
1128
https://jax.de/wp-content/plugins/wp-google-maps/css/open-layers.css?x98406
0
1104
https://jax.de/wp-includes/js/wp-embed.min.js?x98406
0
1094
https://jax.de/wp-content/plugins/sands_advanced_tickets_display/assets/js/sands_advanced_tickets_display.js?x98406
0
1068
https://jax.de/wp-content/plugins/subscription-integration-nl-registration/include/script.js?x98406
0
1056
https://jax.de/wp-content/plugins/mailchimp-for-wp/assets/css/form-basic.min.css?x98406
0
1035
https://jax.de/wp-content/plugins/wp-google-maps/lib/remodal.css?x98406
0
1006
https://jax.de/wp-content/plugins/contact-form-7/includes/css/styles.css?x98406
0
987
https://jax.de/wp-content/plugins/cf7-conditional-fields/style.css?x98406
0
951
https://jax.de/wp-content/plugins/sands-header-builder/include/style.css?x98406
0
937
https://jax.de/wp-content/plugins/wen-logo-slider/vendors/slick-carousel/slick.css?x98406
0
907
https://jax.de/wp-content/plugins/sands-tracks-list/style.css?x98406
0
891
https://jax.de/wp-includes/js/hoverIntent.min.js?x98406
0
810
https://jax.de/wp-includes/js/api-request.min.js?x98406
0
798
https://jax.de/wp-content/plugins/sands-tracks-list/script.js?x98406
0
742
https://jax.de/wp-content/plugins/sands-header-builder/include/script.js?x98406
0
741
https://p.adsymptotic.com/d/px/?_pid=16218&_psign=0aa5badf92527f7732e22463d6fa4dbc&coopa=0&gdpr=0&gdpr_consent=&_puuid=e79570a7-2c49-446a-93fc-d723ba31750c&_expected_cookie=581e35fcb9333a5c1c203c9bddd4f9a8
0
737
https://jax.de/wp-content/plugins/sands-sitcky-newsletter/include/script.js?x98406
0
728
https://jax.de/wp-content/plugins/sands-sitcky-newsletter/include/style.css?x98406
0
683
https://jax.de/wp-content/plugins/sands-new-theme/ijc-style_old.css?x98406
0
644
https://jax.de/wp-content/plugins/sands_multi_lang_cf7/assets/js/sands_multi_lang_cf7.js?x98406
0
562
https://jax.de/wp-content/plugins/wp-google-maps/css/gutenberg.css?x98406
0
428
https://jax.de/wp-content/plugins/wp-google-maps/wpgmza_data.js?x98406
0
365
https://static.doubleclick.net/instream/ad_status.js
900000
644
https://static.doubleclick.net/instream/ad_status.js
900000
644
https://connect.facebook.net/signals/config/407071789447604?v=2.9.27&r=stable
1200000
71163
https://connect.facebook.net/en_US/fbevents.js
1200000
24356
https://www.google-analytics.com/analytics.js
7200000
19293
https://snap.licdn.com/li.lms-analytics/insight.beta.min.js
12169000
2113
https://snap.licdn.com/li.lms-analytics/insight.min.js
81499000
761
https://s.ytimg.com/yts/jsbin/www-widgetapi-vflEYmXTN/www-widgetapi.js
691200000
38492
https://www.youtube.com/yts/jsbin/fetch-polyfill-vfl6MZH8P/fetch-polyfill.js
691200000
3695
https://www.youtube.com/yts/jsbin/fetch-polyfill-vfl6MZH8P/fetch-polyfill.js
691200000
3695
Reduce JavaScript execution time — 4.6 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://jax.de/
1475.376
334.436
32.948
https://www.youtube.com/s/player/1a1b48e5/player_ias.vflset/en_US/base.js
1100.796
465.14
611.352
https://www.youtube.com/s/player/1a1b48e5/www-embed-player.vflset/www-embed-player.js
995.88
847.24
59.536
https://jax.de/wp-includes/js/jquery/jquery.js?x98406
990.38
792.328
7.88
Unattributable
576.184
5.896
0.68
https://www.googletagmanager.com/gtm.js?id=GTM-PRXPLV
319.036
283.74
21.644
https://jax.de/wp-content/plugins/wp-google-maps/lib/ol.js?x98406
245.576
214.444
31.132
https://www.youtube.com/embed/yl2xZESF0TU?enablejsapi=1&origin=https%3A%2F%2Fjax.de
221.596
77.644
17.652
https://connect.facebook.net/signals/config/407071789447604?v=2.9.27&r=stable
200.356
171.516
18.616
https://www.youtube.com/embed/yl2xZESF0TU
126.12
48.608
8.416
https://www.gstatic.com/recaptcha/releases/Y5tQ3lKwn1XL5hGgLz1kR4-1/recaptcha__de.js
112.252
80.076
24.208
https://www.google-analytics.com/analytics.js
109.712
93.68
4.48
https://connect.facebook.net/en_US/fbevents.js
107.988
92.516
9.864
https://s.ytimg.com/yts/jsbin/www-widgetapi-vflEYmXTN/www-widgetapi.js
78.404
61.164
13.42
https://jax.de/wp-content/plugins/sands-countdown-client/include/moment-timezone-with-data.min.js?x98406
66.724
55.748
10.976
https://jax.de/wp-includes/js/wp-api.min.js?x98406
59.692
51.7
5.612
Minimize main-thread work — 7.6 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
3968.912
Script Parsing & Compilation
1090.94
Other
991.752
Style & Layout
707.38
Parse HTML & CSS
563.072
Rendering
247.852
Garbage Collection
29.804
Ensure text remains visible during webfont load
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
URL Potential Savings (Ms)
https://fonts.gstatic.com/s/montserrat/v15/JTUSjIg1_i6t8kCHKm459WlhyyTh89Y.woff2
5.8369999751449
https://fonts.gstatic.com/s/montserrat/v15/JTURjIg1_i6t8kCHKm45_dJE3gnD_vx3rCs.woff2
3.2189999765251
https://jax.de/wp-content/themes/thekeynote-v1-00/plugins/font-awesome-new/fonts/fontawesome-webfont.woff?v=4.2.0
241.32200001623
https://fonts.gstatic.com/s/roboto/v18/KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf
2.9979999817442
https://fonts.gstatic.com/s/roboto/v18/KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf
2.8849999944214
Reduce the impact of third-party code — Third-party code blocked the main thread for 1,620 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
SHOW DETAILS
1225514
1364.432
SHOW DETAILS
96130
111.592
SHOW DETAILS
53637
90.264
SHOW DETAILS
19916
33.388
SHOW DETAILS
139176
24.272
SHOW DETAILS
60169
0
SHOW DETAILS
23395
0
SHOW DETAILS
8424
0
SHOW DETAILS
5500
0
SHOW DETAILS
3473
0
SHOW DETAILS
2950
0
SHOW DETAILS
1556
0
Does not use passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
URL Location
https://jax.de/wp-includes/js/jquery/jquery.js?x98406
line: 2
https://www.youtube.com/s/player/1a1b48e5/player_ias.vflset/en_US/base.js
line: 4764
Replace unnecessarily large JavaScript libraries — 1 large library found
It is recommended to work with smaller JavaScript libraries to reduce your bundle size and avoid poor performance.
Library Transfer Size (Bytes) Potential Savings (Bytes)
SHOW DETAILS
72054
73

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of jax.de. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.
It is advised to not include data elements in tables which are used for layout purposes, as it may create confusion for screen reader and other assistive technology users.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Jax.de may provide assistance to deaf or hearing-impaired users with captions on videos.
`<video>` elements contain a `<track>` element with `[kind="description"]`
Jax.de may provide relevant information that dialogue cannot, by using audio descriptions.

Contrast

Background and foreground colors do not have a sufficient contrast ratio.
Many (if not most) users find low-contrast text difficult or impossible to read.
Failing Elements
Mehr Infos
W-JAX
Locations
SPONSOR WERDEN
NEWSLETTER ABONNIEREN

Names and labels

`<frame>` or `<iframe>` elements do not have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
Failing Elements
iframe
Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img
img
img
img
Form elements do not have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
Failing Elements
input
input
input
Links do not have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.

Navigation

Heading elements are not in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
Failing Elements
WEBSITE
WEBSITE

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
57

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that jax.de should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Page has the HTML doctype
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.
Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Avoids Application Cache
Application cache is deprecated and is no longer recommended.
Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
Bootstrap
3.3.5
jQuery
1.12.4
Modernizr
2.6.2
Backbone
1.4.0
Underscore
1.8.3
yepnope
Moment.js
2.18.1
Moment Timezone
0.5.13
FlexSlider
WordPress
5.3.2
core-js
3.0.0: pure
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.

Audits

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL
http://jax.de/
Links to cross-origin destinations are unsafe
Improve performance and prevent security vulnerabilities by adding rel="noopener" and rel="noreferrer" to external links.
Includes front-end JavaScript libraries with known security vulnerabilities — 10 vulnerabilities detected
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Library Version Vulnerability Count Highest Severity
SHOW DETAILS
5
Medium
SHOW DETAILS
4
Medium
SHOW DETAILS
1
Low

Audits

Serves images with low resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
URL Displayed size Actual size Expected size
https://jax.de/wp-content/uploads/2020/06/WJAX20_Website_HybridBanner_Icon_v1.png
40 x 41
44 x 45
105 x 108

Audits

Registers an `unload` listener
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.
URL
SHOW DETAILS
Browser errors were logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
URL Description
https://www.youtube.com/api/stats/qoe?event=streamingstats&cpn=-Xmfi9G177j8ghlZ&ei=Q4R9X5vKDM3wigSJ5pBY&el=embedded&docid=yl2xZESF0TU&ns=yt&fexp=23744176%2C23748146%2C23804281%2C23839597%2C23856950%2C23857950%2C23858057%2C23862346%2C23880043%2C23882502%2C23884386%2C23894826%2C23895671%2C23911055%2C23915654%2C23915990%2C23916148%2C23918597%2C23919575%2C23928508%2C23930220%2C23934970%2C23940703%2C23942338%2C23944779%2C23946420%2C23947698%2C23948841%2C23949503%2C23949557%2C23951073%2C23951191%2C23953371%2C23953834%2C23955099%2C24590263%2C9449243&cl=335323102&seq=1&c=WEB_EMBEDDED_PLAYER&cver=20201005&cplayer=UNIPLAYER&cbr=Chrome%20Mobile&cbrver=84.0.4143.7&cos=Android&cosver=7.0&vps=0.000:N,0.000:ER&cmt=0.000:0.000,0.000:0.000&error=0.000:html5.missingapi:0.000:nocodecs.1;a6s.0&vis=0.000:0&bh=0.000:0.000
Failed to load resource: net::ERR_BLOCKED_BY_CLIENT.Inspector
https://www.facebook.com/tr/
Failed to load resource: net::ERR_BLOCKED_BY_CLIENT.Inspector
Missing source maps for large first-party JavaScript
Consider deploying source maps for added benefits such as the ability to debug while in production.
URL Map URL
https://jax.de/wp-content/plugins/wp-google-maps/lib/ol.js?x98406
https://jax.de/wp-content/plugins/mailchimp-for-wp/assets/js/forms-api.min.js?x98406
https://jax.de/wp-content/plugins/mailchimp-for-wp/assets/js/forms-api.min.js.map
https://jax.de/wp-content/plugins/cf7-conditional-fields/js/scripts.js?x98406
https://jax.de/wp-content/plugins/cf7-conditional-fields/js/scripts.js.map
76

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for jax.de. This includes optimizations such as providing meta data.

Mobile Friendly

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of jax.de on mobile screens.

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Document has a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Mobile Friendly

Tap targets are not sized appropriately — 75% appropriately sized tap targets
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.
Tap Target Size Overlapping Target
input
13x13
input
input
13x13
input
a
31x18
a
a
31x18
a

Crawling and Indexing

Links are not crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.

Content Best Practices

Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
img
img
img
img

Mobile Friendly

Document doesn't use legible font sizes — 52.29% legible text
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Source Selector % of Page Text Font Size
SHOW DETAILS
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, font, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, audio, canvas, details, figcaption, figure, footer, header, hgroup, mark, menu, meter, nav, output, progress, section, summary, time, video
47.71%
10.2px
SHOW DETAILS
52.29%
≥ 12px

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
21

Progressive Web App

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of jax.de. This includes details about web app manifests.

PWA Optimized

Redirects HTTP traffic to HTTPS
It is advised to redirect all HTTP traffic to HTTPS, in order to enable secure web features for all users.
Content is sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of jax.de on mobile screens.
Contains some content when JavaScript is not available
Apps should display alternative content for when JavaScript is disabled.

Fast and reliable

Page load is not fast enough on mobile networks — Interactive at 21.0 s
Ensure that the page loads fast enough over a cellular network, to ensure good mobile user experience.
Current page does not respond with a 200 when offline
In order for Progressive Web Apps to be made available offline, ensure that the app is using a service worker.
`start_url` does not respond with a 200 when offline
Consider using a service worker for Progressive Web Apps to ensure greater reliability for the user, in the case of poor network conditions.

Installable

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL
http://jax.de/
Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Web app manifest does not meet the installability requirements
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.
View Data

PWA Optimized

Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Does not set a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Does not provide a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.
Manifest doesn't have a maskable icon
Maskable icons are great to ensure that images fill the entire shape when installing the app on a device.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Hosting

Server Location

Server IP Address: 37.44.4.140
Continent: Europe
Country: Germany
Germany Flag
Region: Land Berlin
City: Berlin
Longitude: 13.3878
Latitude: 52.5312
Currencies: EUR
Languages: German

Web Hosting Provider

Registration

Domain Registrant

Private Registration: No
Name:
Organization:
Country:
City:
State:
Post Code:
Email:
Phone:
Note: Registration information is derived from various sources and may be inaccurate.

Domain Registrar

Security

Visitor Safety

Mature Content: Not Likely
McAfee WebAdvisor Rating: Safe
WOT Rating: 4.2/5 (0 reviews)
WOT Trustworthiness: 83/100
WOT Child Safety: 91/100
Note: Safety information is not guaranteed.

SSL/TLS Certificate

Issued To: jax.de
Issued By: Let's Encrypt Authority X3
Valid From: 8th September, 2020
Valid To: 7th December, 2020
Subject: CN = jax.de
Hash: cb587cb7
Issuer: CN = Let's Encrypt Authority X3
O = Let's Encrypt
S = US
Version: 2
Serial Number: 0x0453B571CD723AA1CE3FD7243D5AB5653CEE
Serial Number (Hex): 0453B571CD723AA1CE3FD7243D5AB5653CEE
Valid From: 8th September, 2024
Valid To: 7th December, 2024
Signature Algorithm (Short Name): RSA-SHA256
Signature Algorithm (Long Name): sha256WithRSAEncryption
Authority Key Identifier: keyid:A8:4A:6A:63:04:7D:DD:BA:E6:D1:39:B7:A6:45:65:EF:F3:A8:EC:A1
Extended Key Usage: TLS Web Server Authentication, TLS Web Client Authentication
Certificate Policies: Policy: 2.23.140.1.2.1
Policy: 1.3.6.1.4.1.44947.1.1.1
CPS: http://cps.letsencrypt.org
Authority Information Access: OCSP - URI:http://ocsp.int-x3.letsencrypt.org
CA Issuers - URI:http://cert.int-x3.letsencrypt.org/
SCT List: Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : E7:12:F2:B0:37:7E:1A:62:FB:8E:C9:0C:61:84:F1:EA:
7B:37:CB:56:1D:11:26:5B:F3:E0:F3:4B:F2:41:54:6E
Timestamp : Sep 8 06:17:56.859 2020 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:7B:E5:24:A8:92:6B:66:25:61:B4:79:80:
79:1A:84:07:EC:34:15:B3:0F:86:13:C8:A9:BB:C4:AA:
3C:79:DE:76:02:20:69:26:C7:AF:33:F1:CE:54:11:62:
DB:04:7D:F4:AA:B2:63:F5:9C:C0:B8:C8:0A:40:0E:8C:
5C:3A:7E:F8:9C:CF
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : B2:1E:05:CC:8B:A2:CD:8A:20:4E:87:66:F9:2B:B9:8A:
25:20:67:6B:DA:FA:70:E7:B2:49:53:2D:EF:8B:90:5E
Timestamp : Sep 8 06:17:56.841 2020 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:04:9E:60:5F:23:EA:AC:5E:36:C6:44:35:
26:9E:C9:3A:16:50:56:81:95:02:5B:32:AC:5B:33:76:
DE:15:38:F7:02:20:25:29:53:D1:B4:63:74:E2:35:12:
A2:A4:BC:4B:90:2E:2A:39:FB:C4:34:0A:67:B1:D3:1D:
FD:43:59:D7:52:B9
Key Usage: Digital Signature, Key Encipherment
Basic Constraints: CA:FALSE
Subject Alternative Name: DNS:www.jax.de
DNS:jax.de
Technical

DNS Lookup

A Records

Host IP Address Class TTL
jax.de. 37.44.4.140 IN 299

NS Records

Host Nameserver Class TTL
jax.de. a.ns14.net. IN 299
jax.de. b.ns14.net. IN 299
jax.de. c.ns14.net. IN 299
jax.de. d.ns14.net. IN 299

MX Records

Priority Host Server Class TTL
1 jax.de. ASPMX.L.GOOGLE.com. IN 299
5 jax.de. ALT1.ASPMX.L.GOOGLE.com. IN 299
5 jax.de. ALT2.ASPMX.L.GOOGLE.com. IN 299
10 jax.de. ALT3.ASPMX.L.GOOGLE.com. IN 299
10 jax.de. ALT4.ASPMX.L.GOOGLE.com. IN 299

SOA Records

Domain Name Primary NS Responsible Email TTL
jax.de. a.ns14.net. webmaster.sandsmedia.com. 299

TXT Records

Host Value Class TTL
jax.de. v=spf1 IN 59
jax.de. google-site-verification=UOw5NhtMYlllStYpNfk9MWbQY-wpyVXlMBtp-geTEEM IN 59

HTTP Response Headers

HTTP-Code: HTTP/1.1 200 OK
Server: nginx
Date: 7th October, 2020
Content-Type: text/html; charset=UTF-8
Connection: keep-alive
Keep-Alive: timeout=5
X-Powered-By: W3 Total Cache/0.13.1
Link: <https://jax.de/wp-json>; rel="https://github.com/WP-API/WP-API"
X-UPSTREAM: 10.4.143.12:80

Whois Lookup

Created:
Changed:
Expires:
Status:
Nameservers: a.ns14.net
b.ns14.net
c.ns14.net
d.ns14.net
Full Whois: % Restricted rights.
%
% Terms and Conditions of Use
%
% The above data may only be used within the scope of technical or
% administrative necessities of Internet operation or to remedy legal
% problems.
% The use for other purposes, in particular for advertising, is not permitted.
%
% The DENIC whois service on port 43 doesn't disclose any information concerning
% the domain holder, general request and abuse contact.
% This information can be obtained through use of our web-based whois service
% available at the DENIC website:
% http://www.denic.de/en/domains/whois-service/web-whois.html
%
%

Domain: jax.de
Nserver: a.ns14.net
Nserver: b.ns14.net
Nserver: c.ns14.net
Nserver: d.ns14.net
Status: connect
Changed: 2010-08-24T12:04:11+02:00
View Raw Whois

Nameservers

Name IP Address
a.ns14.net 62.116.131.31
b.ns14.net 217.160.113.32
c.ns14.net 89.146.248.231
d.ns14.net 74.208.254.254
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