Tools & Wizards About Us

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

cotec.de

Der exklusive Online-Shop für Schulen, Lehrer, Dozenten, Schüler & Studenten

Page Load Speed

8.1 sec in total

First Response

335 ms

Resources Loaded

4.5 sec

Page Rendered

3.2 sec

About Website

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

Günstige Hardware, Software und Services von co.Tec GmbH für Lehrer, Schüler, Studenten, Dozenten, Schulen und Hochschulen - hier gehts zum Shop!"

Visit cotec.de

Key Findings

We analyzed Cotec.de page load time and found that the first response time was 335 ms and then it took 7.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

cotec.de performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value25.9 s

0/100

25%

SI (Speed Index)

Value18.0 s

0/100

10%

TBT (Total Blocking Time)

Value2,610 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.142

78/100

15%

TTI (Time to Interactive)

Value28.3 s

0/100

10%

Network Requests Diagram

cotec.de

335 ms

www.cotec.de

1148 ms

all.css

773 ms

loader.js

25 ms

uc-block.bundle.js

31 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 95% of them (91 requests) were addressed to the original Cotec.de, 2% (2 requests) were made to App.usercentrics.eu and 1% (1 request) were made to Privacy-proxy.usercentrics.eu. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Cotec.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 844.1 kB (55%)

Content Size

1.5 MB

After Optimization

679.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cotec.de main page is 1.5 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. 70% of websites need less resources to load. HTML takes 883.7 kB which makes up the majority of the site volume.

HTML Optimization

-95%

Potential reduce by 843.9 kB

  • Original 883.7 kB
  • After minification 392.8 kB
  • After compression 39.9 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 491.0 kB, which is 56% 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 843.9 kB or 95% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 391.9 kB
  • After minification 391.9 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. Cotec images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 200 B

  • Original 242.8 kB
  • After minification 242.8 kB
  • After compression 242.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 4.8 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.

Requests Breakdown

Number of requests can be reduced by 7 (8%)

Requests Now

93

After Optimization

86

  • Images
  • JavaScript
  • CSS

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cotec. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

cotec.de accessibility score

80

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-*] attributes do not match their roles

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

cotec.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

High

Missing source maps for large first-party JavaScript

SEO Factors

cotec.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 Cotec.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 Cotec.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 Cotec. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: