Tools & Wizards About Us

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

vs-koeln.de

VS Köln

Page Load Speed

2 sec in total

First Response

64 ms

Resources Loaded

748 ms

Page Rendered

1.2 sec

About Website

Visit vs-koeln.de now to see the best up-to-date VS Koeln content and also check out these interesting facts you probably never knew about vs-koeln.de

Visit vs-koeln.de

Key Findings

We analyzed Vs-koeln.de page load time and found that the first response time was 64 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

vs-koeln.de performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value1.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

vs-koeln.de

64 ms

www.vs-koeln.de

278 ms

style.css

190 ms

bg.jpg

212 ms

headerbg.jpg

198 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that all of those requests were addressed to Vs-koeln.de and no external sources were called. The less responsive or slowest element that took the longest time to load (278 ms) belongs to the original domain Vs-koeln.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 21.0 kB (13%)

Content Size

167.4 kB

After Optimization

146.4 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Vs-koeln.de main page is 167.4 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 137.1 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 20.8 kB

  • Original 29.3 kB
  • After minification 22.6 kB
  • After compression 8.5 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 6.6 kB, which is 23% 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 20.8 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 137.1 kB
  • After minification 137.1 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. VS Koeln images are well optimized though.

CSS Optimization

-17%

Potential reduce by 173 B

  • Original 1.0 kB
  • After minification 1.0 kB
  • After compression 856 B

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. Vs-koeln.de needs all CSS files to be minified and compressed as it can save up to 173 B or 17% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

  • Images
  • CSS

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VS Koeln. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

vs-koeln.de accessibility score

81

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

vs-koeln.de best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

vs-koeln.de SEO score

67

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vs-koeln.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Vs-koeln.de main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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