Tools & Wizards About Us

Report Summary

  • 93

    Performance

    Renders faster than
    92% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

testcentr.de

testcentr.de - This website is for sale! - testcentr Resources and Information.

Page Load Speed

2.3 sec in total

First Response

167 ms

Resources Loaded

1.9 sec

Page Rendered

207 ms

About Website

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

This website is for sale! testcentr.de is your first and best source for all of the information you’re looking for. From general topics to more of what you would expect to find here, testcentr.de has ...

Visit testcentr.de

Key Findings

We analyzed Testcentr.de page load time and found that the first response time was 167 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 45% of websites can load faster.

Performance Metrics

testcentr.de performance score

93

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.8 s

100/100

25%

SI (Speed Index)

Value1.4 s

100/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.219

57/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

testcentr.de

167 ms

www.testcentr.de

576 ms

style.css

158 ms

wppepvn_libs.min.css

152 ms

frontend.min.css

153 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 62% of them (45 requests) were addressed to the original Testcentr.de, 7% (5 requests) were made to Pagead2.googlesyndication.com and 4% (3 requests) were made to S.gravatar.com. The less responsive or slowest element that took the longest time to load (803 ms) belongs to the original domain Testcentr.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 790.7 kB (35%)

Content Size

2.3 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Testcentr.de main page is 2.3 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. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 113.1 kB

  • Original 134.1 kB
  • After minification 133.9 kB
  • After compression 21.0 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 113.1 kB or 84% of the original size.

Image Optimization

-14%

Potential reduce by 212.8 kB

  • Original 1.5 MB
  • After minification 1.3 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. Obviously, Testcentr needs image optimization as it can save up to 212.8 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 164.7 kB

  • Original 272.0 kB
  • After minification 271.8 kB
  • After compression 107.3 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 164.7 kB or 61% of the original size.

CSS Optimization

-83%

Potential reduce by 300.1 kB

  • Original 360.9 kB
  • After minification 349.7 kB
  • After compression 60.8 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. Testcentr.de needs all CSS files to be minified and compressed as it can save up to 300.1 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (54%)

Requests Now

65

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Testcentr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

testcentr.de accessibility score

63

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

<frame> or <iframe> elements do not have a title

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

testcentr.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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

testcentr.de SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Testcentr.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed German language. Our system also found out that Testcentr.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 Testcentr. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: