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bigdatacon.de screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    55% 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

bigdatacon.de

JAX & W-JAX 2023 | Konferenzen für Java, Architektur & Software-Innovationen

Page Load Speed

4.2 sec in total

First Response

360 ms

Resources Loaded

3.4 sec

Page Rendered

435 ms

bigdatacon.de screenshot

About Website

Welcome to bigdatacon.de homepage info - get ready to check Bigdatacon best content for Germany right away, or after learning these important things about bigdatacon.de

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

Visit bigdatacon.de

Key Findings

We analyzed Bigdatacon.de page load time and found that the first response time was 360 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

bigdatacon.de performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value11.5 s

0/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value350 ms

73/100

30%

CLS (Cumulative Layout Shift)

Value0.1

89/100

15%

TTI (Time to Interactive)

Value14.9 s

8/100

10%

Network Requests Diagram

bigdatacon.de

360 ms

jax.de

695 ms

182404014.js

214 ms

1512749253.js

319 ms

animate.min.css

322 ms

Our browser made a total of 87 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Bigdatacon.de, 92% (80 requests) were made to Jax.de and 6% (5 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (966 ms) relates to the external source Jax.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 409.2 kB (13%)

Content Size

3.0 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bigdatacon.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. 55% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 270.2 kB

  • Original 331.3 kB
  • After minification 323.1 kB
  • After compression 61.1 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 270.2 kB or 82% 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. Bigdatacon images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 73.4 kB

  • Original 641.2 kB
  • After minification 632.3 kB
  • After compression 567.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 73.4 kB or 11% of the original size.

CSS Optimization

-22%

Potential reduce by 34.4 kB

  • Original 155.7 kB
  • After minification 151.5 kB
  • After compression 121.3 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. Bigdatacon.de needs all CSS files to be minified and compressed as it can save up to 34.4 kB or 22% 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 Bigdatacon. 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

bigdatacon.de

bigdatacon.de

360 ms

jax.de

jax.de

695 ms

182404014.js

182404014.js

214 ms

1512749253.js

1512749253.js

319 ms

animate.min.css

animate.min.css

322 ms

style.min.css

style.min.css

428 ms

style.css

style.css

425 ms

style.css

style.css

425 ms

style.css

style.css

431 ms

style.css

style.css

435 ms

sands_advanced_tickets_display.css

sands_advanced_tickets_display.css

448 ms

jquery.bxslider.min.css

jquery.bxslider.min.css

529 ms

style.css

style.css

531 ms

slick.css

slick.css

532 ms

slick-theme.css

slick-theme.css

535 ms

wen-logo-slider-public.css

wen-logo-slider-public.css

539 ms

flexslider.css

flexslider.css

555 ms

slider-pro.min.css

slider-pro.min.css

635 ms

app.css

app.css

636 ms

style.css

style.css

639 ms

superfish.css

superfish.css

643 ms

component.css

component.css

644 ms

font-awesome.min.css

font-awesome.min.css

661 ms

style-responsive.css

style-responsive.css

739 ms

style-custom.css

style-custom.css

746 ms

style.css

style.css

744 ms

jquery-1.12.4-wp.js

jquery-1.12.4-wp.js

854 ms

jquery-migrate-1.4.1-wp.js

jquery-migrate-1.4.1-wp.js

750 ms

sands_multi_lang_cf7.js

sands_multi_lang_cf7.js

768 ms

moment.js

moment.js

847 ms

moment-timezone-with-data.min.js

moment-timezone-with-data.min.js

852 ms

script.js

script.js

849 ms

sands-multi-loc.js

sands-multi-loc.js

855 ms

script.js

script.js

874 ms

script.js

script.js

952 ms

script.js

script.js

954 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

956 ms

splide.min.js

splide.min.js

31 ms

splide.min.css

splide.min.css

42 ms

gsap.min.js

gsap.min.js

26 ms

TextPlugin.min.js

TextPlugin.min.js

12 ms

ScrollTrigger.min.js

ScrollTrigger.min.js

24 ms

CustomEase.min.js

CustomEase.min.js

20 ms

bootstrap.min.css

bootstrap.min.css

866 ms

bootstrap-select.min.css

bootstrap-select.min.css

759 ms

ijc-style_old.css

ijc-style_old.css

672 ms

script.js

script.js

743 ms

slick.min.js

slick.min.js

645 ms

chunk-vendors.js

chunk-vendors.js

966 ms

app.js

app.js

753 ms

jquery.cookie.js

jquery.cookie.js

643 ms

sands-functions.js

sands-functions.js

664 ms

bootstrap.min.js

bootstrap.min.js

723 ms

bootstrap-select.js

bootstrap-select.js

646 ms

js.cookie.js

js.cookie.js

648 ms

split.min.js

split.min.js

675 ms

1883014693.js

1883014693.js

743 ms

sands_mc4wp.js

sands_mc4wp.js

740 ms

sands_advanced_tickets_display.js

sands_advanced_tickets_display.js

729 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

652 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

677 ms

style.css

style.css

749 ms

superfish.js

superfish.js

742 ms

hoverIntent.min.js

hoverIntent.min.js

746 ms

modernizr.custom.js

modernizr.custom.js

832 ms

jquery.easing.js

jquery.easing.js

755 ms

gdlr-script.js

gdlr-script.js

750 ms

wpfront-scroll-top.min.js

wpfront-scroll-top.min.js

748 ms

scripts.js

scripts.js

748 ms

core.min.js

core.min.js

730 ms

datepicker.min.js

datepicker.min.js

660 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

679 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

744 ms

wp-polyfill.min.js

wp-polyfill.min.js

747 ms

forms.js

forms.js

744 ms

ajax-forms.js

ajax-forms.js

726 ms

jquery.sliderPro.min.js

jquery.sliderPro.min.js

653 ms

Konferenzlogos_Website_Navi_68979_v1_JAX.svg

Konferenzlogos_Website_Navi_68979_v1_JAX.svg

191 ms

JAX24_Website_Logo_Desktop_GT-2427_v1.png

JAX24_Website_Logo_Desktop_GT-2427_v1.png

234 ms

WJAX24_Website_Logo_Desktop_GT-2427_v1.png

WJAX24_Website_Logo_Desktop_GT-2427_v1.png

237 ms

WJAX24_Website_Speaker_v1.png

WJAX24_Website_Speaker_v1.png

240 ms

JAX24_Website_Speaker_GT-2427_v1.png

JAX24_Website_Speaker_GT-2427_v1.png

553 ms

JAX23_WJAX23_Global_Website_Header_Desktop_67624_v1.jpg

JAX23_WJAX23_Global_Website_Header_Desktop_67624_v1.jpg

856 ms

JAX_MLC_Website_Skyline_MUC.png

JAX_MLC_Website_Skyline_MUC.png

368 ms

JAX_MLC_Website_Skyline_MZ.png

JAX_MLC_Website_Skyline_MZ.png

310 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

372 ms

1.png

1.png

107 ms

Accessibility Review

bigdatacon.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

bigdatacon.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

bigdatacon.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 Bigdatacon.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 Bigdatacon.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

bigdatacon.de

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