Report Summary

  • 41

    Performance

    Renders faster than
    61% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

aok.de

Die AOK: Vorteile & Infos Ihrer Gesundheitskasse | AOK

Page Load Speed

15.2 sec in total

First Response

833 ms

Resources Loaded

14 sec

Page Rendered

358 ms

aok.de screenshot

About Website

Click here to check amazing AOK content for Germany. Otherwise, check out these important facts you probably never knew about aok.de

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Key Findings

We analyzed Aok.de page load time and found that the first response time was 833 ms and then it took 14.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

aok.de performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value730 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0.074

95/100

15%

TTI (Time to Interactive)

Value7.7 s

45/100

10%

Network Requests Diagram

aok.de

833 ms

aok.de

1493 ms

www.aok.de

3849 ms

stylesheet_a490dd7cbb.css

387 ms

style.css

2707 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that all of those requests were addressed to Aok.de and no external sources were called. The less responsive or slowest element that took the longest time to load (3.8 sec) belongs to the original domain Aok.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (33%)

Content Size

5.1 MB

After Optimization

3.4 MB

In fact, the total size of Aok.de main page is 5.1 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. 25% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 57.0 kB

  • Original 67.7 kB
  • After minification 48.5 kB
  • After compression 10.7 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. This page needs HTML code to be minified as it can gain 19.2 kB, which is 28% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 57.0 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 90.9 kB

  • Original 3.1 MB
  • After minification 3.0 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. AOK images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 873.5 kB

  • Original 1.2 MB
  • After minification 961.2 kB
  • After compression 279.4 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 873.5 kB or 76% of the original size.

CSS Optimization

-85%

Potential reduce by 672.7 kB

  • Original 787.1 kB
  • After minification 736.7 kB
  • After compression 114.4 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. Aok.de needs all CSS files to be minified and compressed as it can save up to 672.7 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (19%)

Requests Now

26

After Optimization

21

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of AOK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

aok.de accessibility score

98

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.

Best Practices

aok.de 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

Page has valid source maps

SEO Factors

aok.de SEO score

99

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 uses 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 Aok.de 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 Aok.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

Open Graph description is not detected on the main page of AOK. 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: