Report Summary

  • 35

    Performance

    Renders faster than
    54% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

ecdl-lernen.de

Startseite | ICDL

Page Load Speed

3 sec in total

First Response

321 ms

Resources Loaded

2.3 sec

Page Rendered

404 ms

ecdl-lernen.de screenshot

About Website

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

International Certification of Digital Literacy

Visit ecdl-lernen.de

Key Findings

We analyzed Ecdl-lernen.de page load time and found that the first response time was 321 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

ecdl-lernen.de performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value850 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value18.4 s

3/100

10%

Network Requests Diagram

ecdl-lernen.de

321 ms

www.icdl-lernen.de

839 ms

yui_combo.php

282 ms

all

592 ms

polyfill.js

393 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Ecdl-lernen.de, 92% (23 requests) were made to Icdl-lernen.de and 4% (1 request) were made to Repo.vidis.schule. The less responsive or slowest element that took the longest time to load (839 ms) relates to the external source Icdl-lernen.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 43.5 kB (13%)

Content Size

330.3 kB

After Optimization

286.8 kB

In fact, the total size of Ecdl-lernen.de main page is 330.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 184.2 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 43.0 kB

  • Original 52.1 kB
  • After minification 41.4 kB
  • After compression 9.1 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 10.7 kB, which is 21% 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 43.0 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 293 B

  • Original 184.2 kB
  • After minification 183.9 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. Ecdl Lernen images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 204 B

  • Original 94.0 kB
  • After minification 94.0 kB
  • After compression 93.7 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.

Requests Breakdown

Number of requests can be reduced by 4 (21%)

Requests Now

19

After Optimization

15

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ecdl Lernen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

ecdl-lernen.de accessibility score

97

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.

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

ecdl-lernen.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

ecdl-lernen.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 Ecdl-lernen.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 Ecdl-lernen.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 description is not detected on the main page of Ecdl Lernen. 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: