Tools & Wizards About Us

Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

computer-rat.de

Computerkurs - kostenlose Lernplattform

Page Load Speed

2.4 sec in total

First Response

317 ms

Resources Loaded

1.7 sec

Page Rendered

367 ms

About Website

Visit computer-rat.de now to see the best up-to-date Computer Rat content and also check out these interesting facts you probably never knew about computer-rat.de

Auf computerkurs.com findest du eine kostenlose Lernplattform mit Lernvideos für Windows, Word, Excel, PowerPoint, Access & Outlook.

Visit computer-rat.de

Key Findings

We analyzed Computer-rat.de page load time and found that the first response time was 317 ms and then it took 2.1 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

computer-rat.de performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value3.9 s

82/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value2.5 s

98/100

10%

Network Requests Diagram

www.computerseite.net

317 ms

www.computerkurs.com

820 ms

logo.png

200 ms

roboto-regular-webfont.woff

133 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Computer-rat.de, 25% (1 request) were made to Computerseite.net. The less responsive or slowest element that took the longest time to load (820 ms) relates to the external source Computerkurs.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 283.9 kB (84%)

Content Size

336.1 kB

After Optimization

52.3 kB

  • HTML
  • Images

In fact, the total size of Computer-rat.de main page is 336.1 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 334.0 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 283.8 kB

  • Original 334.0 kB
  • After minification 333.8 kB
  • After compression 50.2 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 283.8 kB or 85% of the original size.

Image Optimization

-2%

Potential reduce by 44 B

  • Original 2.1 kB
  • After minification 2.1 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. Computer Rat images are well optimized though.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

  • Images

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Computer Rat. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

computer-rat.de accessibility score

95

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

Links do not have a discernible name

Best Practices

computer-rat.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

SEO Factors

computer-rat.de SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Computer-rat.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 Computer-rat.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 data is detected on the main page of Computer Rat. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: