Report Summary

  • 76

    Performance

    Renders faster than
    84% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 62

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

koeln.kreuzmich.de

Kreuzmich zu Köln - Lernportal der Fachschaft Medizin Köln

Page Load Speed

4.8 sec in total

First Response

312 ms

Resources Loaded

4.4 sec

Page Rendered

138 ms

koeln.kreuzmich.de screenshot

About Website

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

Kreuzmich ist das Lernportal für Studierende der Medizin zu Köln

Visit koeln.kreuzmich.de

Key Findings

We analyzed Koeln.kreuzmich.de page load time and found that the first response time was 312 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

koeln.kreuzmich.de performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

49/100

25%

SI (Speed Index)

Value4.8 s

68/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

Network Requests Diagram

koeln.kreuzmich.de

312 ms

koeln.kreuzmich.de

576 ms

kreuzmich_min_2.6.8.js

832 ms

kreuzmich_min_2.6.8.css

721 ms

koeln.png

121 ms

Our browser made a total of 16 requests to load all elements on the main page. We found that 56% of them (9 requests) were addressed to the original Koeln.kreuzmich.de, 25% (4 requests) were made to Revive.fornix.de and 13% (2 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (832 ms) belongs to the original domain Koeln.kreuzmich.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 357.3 kB (68%)

Content Size

528.5 kB

After Optimization

171.2 kB

In fact, the total size of Koeln.kreuzmich.de main page is 528.5 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. Only 10% of websites need less resources to load. Javascripts take 388.6 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 11.1 kB

  • Original 15.6 kB
  • After minification 14.1 kB
  • After compression 4.5 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. 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 11.1 kB or 71% of the original size.

Image Optimization

-8%

Potential reduce by 2.8 kB

  • Original 33.6 kB
  • After minification 30.8 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. Koeln Kreuzmich images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 271.4 kB

  • Original 388.6 kB
  • After minification 386.5 kB
  • After compression 117.2 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 271.4 kB or 70% of the original size.

CSS Optimization

-79%

Potential reduce by 72.0 kB

  • Original 90.7 kB
  • After minification 90.7 kB
  • After compression 18.7 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. Koeln.kreuzmich.de needs all CSS files to be minified and compressed as it can save up to 72.0 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (29%)

Requests Now

14

After Optimization

10

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koeln Kreuzmich. 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.

Accessibility Review

koeln.kreuzmich.de accessibility score

88

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.

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

Links do not have a discernible name

Best Practices

koeln.kreuzmich.de best practices score

62

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

koeln.kreuzmich.de SEO score

69

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Koeln.kreuzmich.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Koeln.kreuzmich.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 Koeln Kreuzmich. 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: