Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

ils.de

Fernstudium beim ILS - Deutschlands größter Fernschule

Page Load Speed

5.1 sec in total

First Response

238 ms

Resources Loaded

4 sec

Page Rendered

770 ms

About Website

Click here to check amazing ILS content for Germany. Otherwise, check out these important facts you probably never knew about ils.de

Per Fernstudium zum Erfolg. 4 Wochen kostenlos testen: Über 350 Fernkurse beim ILS, Deutschlands größter Fernschule mit 80.000 Studienteilnehmern jährlich.

Visit ils.de

Key Findings

We analyzed Ils.de page load time and found that the first response time was 238 ms and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

ils.de performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value7.6 s

26/100

10%

TBT (Total Blocking Time)

Value2,980 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

ils.de

238 ms

www.ils.de

1336 ms

bundle_legacy.js

37 ms

gtm.js

52 ms

92b165944a7d118e9473a55eda5df853.css

288 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 61% of them (20 requests) were addressed to the original Ils.de, 12% (4 requests) were made to Googletagmanager.com and 9% (3 requests) were made to Api.usercentrics.eu. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Ils.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 303.6 kB (23%)

Content Size

1.3 MB

After Optimization

1.0 MB

In fact, the total size of Ils.de main page is 1.3 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. 40% of websites need less resources to load. Images take 846.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 131.6 kB

  • Original 161.2 kB
  • After minification 119.4 kB
  • After compression 29.6 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 41.8 kB, which is 26% 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 131.6 kB or 82% of the original size.

Image Optimization

-20%

Potential reduce by 171.1 kB

  • Original 846.4 kB
  • After minification 675.3 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, ILS needs image optimization as it can save up to 171.1 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 6 B

  • Original 245.2 kB
  • After minification 245.2 kB
  • After compression 245.2 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

-2%

Potential reduce by 902 B

  • Original 50.9 kB
  • After minification 50.9 kB
  • After compression 50.0 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. Ils.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 6 (23%)

Requests Now

26

After Optimization

20

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ILS. 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.

Accessibility Review

ils.de accessibility score

96

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

ils.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

ils.de SEO score

98

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ils.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Ils.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 ILS. 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: