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jax.de screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    53% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

jax.de

JAX & W-JAX 2024 | Konferenzen für Java, Architektur & Software-Innovationen

Page Load Speed

8.6 sec in total

First Response

343 ms

Resources Loaded

7.9 sec

Page Rendered

428 ms

jax.de screenshot

About Website

Visit jax.de now to see the best up-to-date JAX content for Germany and also check out these interesting facts you probably never knew about jax.de

Die Konferenzen für moderne Java- und Web-Entwicklung, für Software-Architektur und innovative Infrastruktur mit bekannten Experten aus der Branche.

Visit jax.de

Key Findings

We analyzed Jax.de page load time and found that the first response time was 343 ms and then it took 8.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

jax.de performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value540 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.1

89/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

jax.de

343 ms

jax.de

671 ms

e0f6527aaafe8c676977203e3ffe05d8.js

548 ms

390650425e3a77df5ada7d2e1aa34878.js

583 ms

animate.min.css

454 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 93% of them (81 requests) were addressed to the original Jax.de, 6% (5 requests) were made to Cdn.jsdelivr.net and 1% (1 request) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (3.1 sec) belongs to the original domain Jax.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 335.0 kB (11%)

Content Size

3.0 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jax.de main page is 3.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 267.0 kB

  • Original 327.7 kB
  • After minification 319.5 kB
  • After compression 60.6 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 267.0 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 31.2 kB

  • Original 1.9 MB
  • After minification 1.9 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. JAX images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 21.4 kB

  • Original 650.7 kB
  • After minification 650.6 kB
  • After compression 629.3 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

CSS Optimization

-12%

Potential reduce by 15.4 kB

  • Original 133.7 kB
  • After minification 133.7 kB
  • After compression 118.3 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Jax.de needs all CSS files to be minified and compressed as it can save up to 15.4 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 73 (87%)

Requests Now

84

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JAX. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 48 to 1 for JavaScripts and from 27 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jax.de

jax.de

343 ms

jax.de

jax.de

671 ms

e0f6527aaafe8c676977203e3ffe05d8.js

e0f6527aaafe8c676977203e3ffe05d8.js

548 ms

390650425e3a77df5ada7d2e1aa34878.js

390650425e3a77df5ada7d2e1aa34878.js

583 ms

animate.min.css

animate.min.css

454 ms

style.min.css

style.min.css

584 ms

style.css

style.css

451 ms

style.css

style.css

521 ms

style.css

style.css

878 ms

style.css

style.css

888 ms

sands_advanced_tickets_display.css

sands_advanced_tickets_display.css

949 ms

jquery.bxslider.min.css

jquery.bxslider.min.css

973 ms

style.css

style.css

1014 ms

slick.css

slick.css

1013 ms

slick-theme.css

slick-theme.css

1303 ms

wen-logo-slider-public.css

wen-logo-slider-public.css

1314 ms

flexslider.css

flexslider.css

1375 ms

slider-pro.min.css

slider-pro.min.css

1400 ms

app.css

app.css

1444 ms

style.css

style.css

1437 ms

superfish.css

superfish.css

1729 ms

component.css

component.css

1735 ms

font-awesome.min.css

font-awesome.min.css

1810 ms

style-responsive.css

style-responsive.css

1829 ms

style-custom.css

style-custom.css

1881 ms

style.css

style.css

1868 ms

jquery-1.12.4-wp.js

jquery-1.12.4-wp.js

2257 ms

jquery-migrate-1.4.1-wp.js

jquery-migrate-1.4.1-wp.js

2163 ms

sands_multi_lang_cf7.js

sands_multi_lang_cf7.js

2279 ms

moment.js

moment.js

2359 ms

moment-timezone-with-data.min.js

moment-timezone-with-data.min.js

2398 ms

script.js

script.js

2308 ms

sands-multi-loc.js

sands-multi-loc.js

2588 ms

script.js

script.js

2685 ms

script.js

script.js

2712 ms

script.js

script.js

2738 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

2789 ms

splide.min.js

splide.min.js

19 ms

splide.min.css

splide.min.css

22 ms

gsap.min.js

gsap.min.js

34 ms

TextPlugin.min.js

TextPlugin.min.js

7 ms

ScrollTrigger.min.js

ScrollTrigger.min.js

12 ms

CustomEase.min.js

CustomEase.min.js

12 ms

bootstrap.min.css

bootstrap.min.css

2839 ms

bootstrap-select.min.css

bootstrap-select.min.css

2572 ms

ijc-style_old.css

ijc-style_old.css

2656 ms

script.js

script.js

2313 ms

slick.min.js

slick.min.js

2635 ms

chunk-vendors.js

chunk-vendors.js

3051 ms

app.js

app.js

2887 ms

jquery.cookie.js

jquery.cookie.js

2479 ms

sands-functions.js

sands-functions.js

2565 ms

bootstrap.min.js

bootstrap.min.js

2588 ms

bootstrap-select.js

bootstrap-select.js

2637 ms

js.cookie.js

js.cookie.js

2766 ms

split.min.js

split.min.js

2865 ms

e8ec7ac9f3e24aac5645b86b1b2c5cd0.js

e8ec7ac9f3e24aac5645b86b1b2c5cd0.js

2705 ms

sands_mc4wp.js

sands_mc4wp.js

2648 ms

sands_advanced_tickets_display.js

sands_advanced_tickets_display.js

2665 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

2655 ms

style.css

style.css

2874 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

2857 ms

superfish.js

superfish.js

2676 ms

hoverIntent.min.js

hoverIntent.min.js

2704 ms

modernizr.custom.js

modernizr.custom.js

2659 ms

jquery.easing.js

jquery.easing.js

2660 ms

gdlr-script.js

gdlr-script.js

2858 ms

wpfront-scroll-top.min.js

wpfront-scroll-top.min.js

2849 ms

scripts.js

scripts.js

2662 ms

core.min.js

core.min.js

2603 ms

datepicker.min.js

datepicker.min.js

2615 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

2613 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

2789 ms

wp-polyfill.min.js

wp-polyfill.min.js

2867 ms

forms.js

forms.js

2665 ms

ajax-forms.js

ajax-forms.js

2597 ms

jquery.sliderPro.min.js

jquery.sliderPro.min.js

2708 ms

Konferenzlogos_Website_Navi_68979_v1_JAX.svg

Konferenzlogos_Website_Navi_68979_v1_JAX.svg

977 ms

JAX24_Website_Logo_Desktop_GT-2427_v1.png

JAX24_Website_Logo_Desktop_GT-2427_v1.png

1303 ms

WJAX24_Website_Logo_Desktop_GT-2427_v1.png

WJAX24_Website_Logo_Desktop_GT-2427_v1.png

1412 ms

JAX24_Website_Speaker_GT-2427_v1.png

JAX24_Website_Speaker_GT-2427_v1.png

1622 ms

WJAX24_Website_Speaker_v1.png

WJAX24_Website_Speaker_v1.png

1649 ms

JAX23_WJAX23_Global_Website_Header_Desktop_67624_v1.jpg

JAX23_WJAX23_Global_Website_Header_Desktop_67624_v1.jpg

2102 ms

JAX_MLC_Website_Skyline_MZ.png

JAX_MLC_Website_Skyline_MZ.png

1457 ms

JAX_MLC_Website_Skyline_MUC.png

JAX_MLC_Website_Skyline_MUC.png

1815 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

1978 ms

1.png

1.png

432 ms

Accessibility Review

jax.de accessibility score

80

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

jax.de best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

jax.de SEO score

76

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jax.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed German language. Our system also found out that Jax.de main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

jax.de

Open Graph data is detected on the main page of JAX. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: