Tools & Wizards About Us
koelnerliste.com screenshot

Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

koelnerliste.com

Kölner Liste: Home

Page Load Speed

2 sec in total

First Response

193 ms

Resources Loaded

1.6 sec

Page Rendered

157 ms

koelnerliste.com screenshot

About Website

Welcome to koelnerliste.com homepage info - get ready to check Koelner Liste best content for Germany right away, or after learning these important things about koelnerliste.com

Auf der Kölner Liste® sind Nahrungsergänzungsmittel, die auf Dopingsubstanzen getestet wurden. Die Kölner Liste® ist keine Empfehlung an Sportler, ein Nahrungsergänzungsmittel zu nutzen. Unser Interes...

Visit koelnerliste.com

Key Findings

We analyzed Koelnerliste.com page load time and found that the first response time was 193 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

koelnerliste.com performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value4.7 s

32/100

25%

SI (Speed Index)

Value4.2 s

77/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value3.9 s

89/100

10%

Network Requests Diagram

koelnerliste.com

193 ms

www.koelnerliste.com

590 ms

merged-3c987f0a2cbf4f480f72c93b39f9cfa6-80dce4b341117426fa49c90ad25aef8a.1709074618.css

98 ms

merged-23e35565392b7262f593d07bb02937fb-f47e6b42c6c98f1d2e10de521116d7a8.1709074618.css

291 ms

merged-296c28c890fef17835c56e83be4ac806-6a1044a3854dacbcde591e797e1895cd.1709074618.js

274 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that all of those requests were addressed to Koelnerliste.com and no external sources were called. The less responsive or slowest element that took the longest time to load (590 ms) belongs to the original domain Koelnerliste.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 42.3 kB (3%)

Content Size

1.2 MB

After Optimization

1.2 MB

  • HTML
  • Images

In fact, the total size of Koelnerliste.com main page is 1.2 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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 31.0 kB

  • Original 37.7 kB
  • After minification 31.8 kB
  • After compression 6.6 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. This page needs HTML code to be minified as it can gain 5.9 kB, which is 16% 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 31.0 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 11.3 kB

  • Original 1.2 MB
  • After minification 1.2 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. Koelner Liste images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 4 (24%)

Requests Now

17

After Optimization

13

  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koelner Liste. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

koelnerliste.com

koelnerliste.com

193 ms

www.koelnerliste.com

www.koelnerliste.com

590 ms

merged-3c987f0a2cbf4f480f72c93b39f9cfa6-80dce4b341117426fa49c90ad25aef8a.1709074618.css

merged-3c987f0a2cbf4f480f72c93b39f9cfa6-80dce4b341117426fa49c90ad25aef8a.1709074618.css

98 ms

merged-23e35565392b7262f593d07bb02937fb-f47e6b42c6c98f1d2e10de521116d7a8.1709074618.css

merged-23e35565392b7262f593d07bb02937fb-f47e6b42c6c98f1d2e10de521116d7a8.1709074618.css

291 ms

merged-296c28c890fef17835c56e83be4ac806-6a1044a3854dacbcde591e797e1895cd.1709074618.js

merged-296c28c890fef17835c56e83be4ac806-6a1044a3854dacbcde591e797e1895cd.1709074618.js

274 ms

vhs-assets-awesomeplete.1716457122.css

vhs-assets-awesomeplete.1716457122.css

288 ms

merged-2ecd487f48f76416fb6d00ac366e5c85-5d118fc8cd0bcc41845d690699f01fb5.1709074618.js

merged-2ecd487f48f76416fb6d00ac366e5c85-5d118fc8cd0bcc41845d690699f01fb5.1709074618.js

479 ms

merged-3606ba5f8f282da2b5488c6b4ac2edde-e9feffeb4dfe7a8e095e1f518ffab156.1709074618.js

merged-3606ba5f8f282da2b5488c6b4ac2edde-e9feffeb4dfe7a8e095e1f518ffab156.1709074618.js

387 ms

Form.min-03186de28e4596ed5186a37cb783529f.1709074618.js

Form.min-03186de28e4596ed5186a37cb783529f.1709074618.js

397 ms

vhs-assets-Awesomplete-Search.1716457122.js

vhs-assets-Awesomplete-Search.1716457122.js

371 ms

header-logo.svg

header-logo.svg

98 ms

img-3.jpg

img-3.jpg

457 ms

img-2.jpg

img-2.jpg

497 ms

img-1.jpg

img-1.jpg

498 ms

l-sprite.png

l-sprite.png

176 ms

OSP_NRW_Rheinland%20weiss%20ZENT.png

OSP_NRW_Rheinland%20weiss%20ZENT.png

185 ms

athleten.svg

athleten.svg

230 ms

gemeinsam.svg

gemeinsam.svg

249 ms

nada.svg

nada.svg

282 ms

Akrobat-Regular.woff

Akrobat-Regular.woff

333 ms

Akrobat-Bold.woff

Akrobat-Bold.woff

355 ms

Kreon-Regular.woff

Kreon-Regular.woff

381 ms

Accessibility Review

koelnerliste.com accessibility score

88

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

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Links do not have a discernible name

Best Practices

koelnerliste.com best practices score

75

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

koelnerliste.com SEO score

100

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

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 Koelnerliste.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 Koelnerliste.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

koelnerliste.com

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