Tools & Wizards About Us
cobi.de screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 81% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

cobi.de

COMPUTER BILD: Test, Download, Ratgeber & Kurse, Kaufberatung, Video

Page Load Speed

6 sec in total

First Response

359 ms

Resources Loaded

3.1 sec

Page Rendered

2.6 sec

cobi.de screenshot

About Website

Click here to check amazing Cobi content. Otherwise, check out these important facts you probably never knew about cobi.de

Deutschlands großes Technikportal mit Tests, News, Kaufberatung und Preisvergleich zu den Bereichen PC & Hardware, Software, Telekommunikation und mehr.

Visit cobi.de

Key Findings

We analyzed Cobi.de page load time and found that the first response time was 359 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

cobi.de performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value1,670 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value17.5 s

4/100

10%

Network Requests Diagram

cobi.de

359 ms

www.computerbild.de

230 ms

style.D2Zs4Eaq.css

56 ms

cmp-config.js

49 ms

cmp.js

51 ms

Our browser made a total of 137 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Cobi.de, 96% (132 requests) were made to I.computer-bild.de and 1% (2 requests) were made to Data-2af9963ee4.computerbild.de. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source I.computer-bild.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 608.0 kB (13%)

Content Size

4.6 MB

After Optimization

3.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cobi.de main page is 4.6 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. 60% of websites need less resources to load. Images take 3.8 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 435.9 kB

  • Original 524.9 kB
  • After minification 516.9 kB
  • After compression 89.0 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 435.9 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 357 B

  • Original 3.8 MB
  • After minification 3.8 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. Cobi images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 7.5 kB

  • Original 56.9 kB
  • After minification 56.9 kB
  • After compression 49.4 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 7.5 kB or 13% of the original size.

CSS Optimization

-83%

Potential reduce by 164.2 kB

  • Original 196.8 kB
  • After minification 195.8 kB
  • After compression 32.7 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. Cobi.de needs all CSS files to be minified and compressed as it can save up to 164.2 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (5%)

Requests Now

129

After Optimization

123

  • Images
  • JavaScript
  • CSS

The browser has sent 129 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cobi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cobi.de

cobi.de

359 ms

www.computerbild.de

www.computerbild.de

230 ms

style.D2Zs4Eaq.css

style.D2Zs4Eaq.css

56 ms

cmp-config.js

cmp-config.js

49 ms

cmp.js

cmp.js

51 ms

swiper-bundle.min.js

swiper-bundle.min.js

70 ms

loader.js

loader.js

612 ms

computerbild.js

computerbild.js

49 ms

entry-server-routing.CeF9pBzr.js

entry-server-routing.CeF9pBzr.js

53 ms

bundle.js

bundle.js

202 ms

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Accessibility Review

cobi.de accessibility score

93

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 IDs are not unique

Best Practices

cobi.de best practices score

83

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

cobi.de 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 Cobi.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 Cobi.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

cobi.de

Open Graph data is detected on the main page of Cobi. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: