Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

academy.deutsche-boerse.com

Gruppe Deutsche Börse - Wissen und Prüfungen

Page Load Speed

4.1 sec in total

First Response

465 ms

Resources Loaded

3.4 sec

Page Rendered

221 ms

academy.deutsche-boerse.com screenshot

About Website

Click here to check amazing Academy Deutsche Boerse content for Germany. Otherwise, check out these important facts you probably never knew about academy.deutsche-boerse.com

Wissen und Prüfungen

Visit academy.deutsche-boerse.com

Key Findings

We analyzed Academy.deutsche-boerse.com page load time and found that the first response time was 465 ms and then it took 3.7 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

academy.deutsche-boerse.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.0 s

0/100

25%

SI (Speed Index)

Value16.8 s

0/100

10%

TBT (Total Blocking Time)

Value180 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.734

6/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

Network Requests Diagram

academy.deutsche-boerse.com

465 ms

wissen

818 ms

dbg-1262456-68.css

832 ms

commons-3627254-10.js

606 ms

dbg-1262488-64.js

1439 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 5% of them (1 request) were addressed to the original Academy.deutsche-boerse.com, 95% (21 requests) were made to Deutsche-boerse.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Deutsche-boerse.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 516.6 kB (61%)

Content Size

845.9 kB

After Optimization

329.3 kB

In fact, the total size of Academy.deutsche-boerse.com main page is 845.9 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. CSS take 439.8 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 115.2 kB

  • Original 137.4 kB
  • After minification 131.8 kB
  • After compression 22.2 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 115.2 kB or 84% of the original size.

Image Optimization

-4%

Potential reduce by 10.0 kB

  • Original 225.8 kB
  • After minification 215.8 kB

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. Academy Deutsche Boerse images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 27.0 kB

  • Original 42.9 kB
  • After minification 42.9 kB
  • After compression 15.9 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 27.0 kB or 63% of the original size.

CSS Optimization

-83%

Potential reduce by 364.4 kB

  • Original 439.8 kB
  • After minification 439.5 kB
  • After compression 75.3 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. Academy.deutsche-boerse.com needs all CSS files to be minified and compressed as it can save up to 364.4 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (21%)

Requests Now

14

After Optimization

11

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Academy Deutsche Boerse. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

academy.deutsche-boerse.com accessibility score

82

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[role] values are not valid

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

Buttons do not have an accessible name

High

Links do not have a discernible name

High

<object> elements do not have alternate text

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.

Best Practices

academy.deutsche-boerse.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

academy.deutsche-boerse.com SEO score

90

Search Engine Optimization Advices

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Academy.deutsche-boerse.com can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Academy.deutsche-boerse.com 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

Open Graph description is not detected on the main page of Academy Deutsche Boerse. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: