Tools & Wizards About Us

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

de.online-trainers.com

Entdecken Sie DIE Methode um eine Sprache zu lernen mit ONLINE TRAINERS

Page Load Speed

2.2 sec in total

First Response

350 ms

Resources Loaded

1.6 sec

Page Rendered

190 ms

About Website

Visit de.online-trainers.com now to see the best up-to-date De ONLINE TRAINERS content for United States and also check out these interesting facts you probably never knew about de.online-trainers.com

Entdecken Sie DIE intelligente und abwechslungsreiche Methode, mit welcher Sie eine Sprache lernen werden ohne sich die Haare vom Kopf reißen zu müssen.

Visit de.online-trainers.com

Key Findings

We analyzed De.online-trainers.com page load time and found that the first response time was 350 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

de.online-trainers.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.9 s

1/100

10%

LCP (Largest Contentful Paint)

Value10.6 s

0/100

25%

SI (Speed Index)

Value13.1 s

2/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0.856

4/100

15%

TTI (Time to Interactive)

Value15.7 s

6/100

10%

Network Requests Diagram

de.online-trainers.com

350 ms

bootstrap.min1.css

254 ms

main.css

174 ms

responsive.css

187 ms

font-awesome.min.css

282 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 58% of them (23 requests) were addressed to the original De.online-trainers.com, 10% (4 requests) were made to F.vimeocdn.com and 8% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (727 ms) belongs to the original domain De.online-trainers.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 617.2 kB (37%)

Content Size

1.7 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of De.online-trainers.com main page is 1.7 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. 45% of websites need less resources to load. Images take 809.5 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 7.9 kB

  • Original 11.9 kB
  • After minification 10.8 kB
  • After compression 4.0 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 7.9 kB or 66% of the original size.

Image Optimization

-11%

Potential reduce by 88.3 kB

  • Original 809.5 kB
  • After minification 721.3 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. Obviously, De ONLINE TRAINERS needs image optimization as it can save up to 88.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-50%

Potential reduce by 318.3 kB

  • Original 630.9 kB
  • After minification 630.9 kB
  • After compression 312.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 318.3 kB or 50% of the original size.

CSS Optimization

-85%

Potential reduce by 202.7 kB

  • Original 237.8 kB
  • After minification 237.2 kB
  • After compression 35.1 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. De.online-trainers.com needs all CSS files to be minified and compressed as it can save up to 202.7 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (43%)

Requests Now

35

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of De ONLINE TRAINERS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

de.online-trainers.com accessibility score

65

Accessibility Issues

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

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

de.online-trainers.com best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

de.online-trainers.com 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 De.online-trainers.com 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 De.online-trainers.com 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 De ONLINE TRAINERS. 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: