Tools & Wizards About Us
schueler-forum.com screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

schueler-forum.com

Forum - Schülerforum – Deine Community rund um die Schule

Page Load Speed

4.4 sec in total

First Response

484 ms

Resources Loaded

3.6 sec

Page Rendered

357 ms

schueler-forum.com screenshot

About Website

Welcome to schueler-forum.com homepage info - get ready to check Schueler Forum best content for Germany right away, or after learning these important things about schueler-forum.com

Das Schülerforum ist Deine kostenlose Community rund um die Schule, das Studium und den Berufseinstieg. Jetzt teilnehmen!

Visit schueler-forum.com

Key Findings

We analyzed Schueler-forum.com page load time and found that the first response time was 484 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

schueler-forum.com performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

33/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

38/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value2,600 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.081

94/100

15%

TTI (Time to Interactive)

Value13.7 s

11/100

10%

Network Requests Diagram

schueler-forum.com

484 ms

www.schueler-forum.com

548 ms

www.schueler-forum.com

701 ms

style-24.css

376 ms

jquery.min.js

29 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 75% of them (27 requests) were addressed to the original Schueler-forum.com, 11% (4 requests) were made to Cdn.mathjax.org and 6% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (865 ms) belongs to the original domain Schueler-forum.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (66%)

Content Size

1.5 MB

After Optimization

519.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Schueler-forum.com 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. 45% of websites need less resources to load. Javascripts take 866.9 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 87.9 kB

  • Original 106.5 kB
  • After minification 96.0 kB
  • After compression 18.6 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. 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 87.9 kB or 83% of the original size.

Image Optimization

-17%

Potential reduce by 38.9 kB

  • Original 231.3 kB
  • After minification 192.3 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, Schueler Forum needs image optimization as it can save up to 38.9 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 615.6 kB

  • Original 866.9 kB
  • After minification 865.7 kB
  • After compression 251.3 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 615.6 kB or 71% of the original size.

CSS Optimization

-82%

Potential reduce by 268.4 kB

  • Original 325.7 kB
  • After minification 300.9 kB
  • After compression 57.4 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. Schueler-forum.com needs all CSS files to be minified and compressed as it can save up to 268.4 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (47%)

Requests Now

32

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Schueler Forum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

schueler-forum.com

schueler-forum.com

484 ms

www.schueler-forum.com

www.schueler-forum.com

548 ms

www.schueler-forum.com

www.schueler-forum.com

701 ms

style-24.css

style-24.css

376 ms

jquery.min.js

jquery.min.js

29 ms

jquery-ui.min.js

jquery-ui.min.js

42 ms

WCF.Combined.min.js

WCF.Combined.min.js

865 ms

WBB.min.js

WBB.min.js

451 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

515 ms

MathJax.js

MathJax.js

85 ms

WCF.Portal.min.js

WCF.Portal.min.js

450 ms

background.jpg

background.jpg

378 ms

backgroundBlur.jpg

backgroundBlur.jpg

262 ms

logo.png

logo.png

260 ms

2-40a40c1e64c236bf8c30afcef794a74b33a1d2b7-32.png

2-40a40c1e64c236bf8c30afcef794a74b33a1d2b7-32.png

216 ms

0a559fa67a976b2f7292293a6938e67e-32.png

0a559fa67a976b2f7292293a6938e67e-32.png

217 ms

c8bfa4813ebf3c228ec5e90638381850-32.png

c8bfa4813ebf3c228ec5e90638381850-32.png

290 ms

3-adb5e33a9c151601ebdd91cc94e02bf53276170d-32.jpg

3-adb5e33a9c151601ebdd91cc94e02bf53276170d-32.jpg

289 ms

145-2d409859fe0d38b697632cff97460416592ff514-32.jpg

145-2d409859fe0d38b697632cff97460416592ff514-32.jpg

421 ms

62-55c42a687d8c357134a3e52db00a67ce4b14f836-32.jpg

62-55c42a687d8c357134a3e52db00a67ce4b14f836-32.jpg

419 ms

1-13a23291e9bf3cbd1c8b8b627feb70d143c11ab8-32.jpg

1-13a23291e9bf3cbd1c8b8b627feb70d143c11ab8-32.jpg

419 ms

avatar-default.svg

avatar-default.svg

420 ms

e720f883f0b55c19e0983afb971b8cfb-32.png

e720f883f0b55c19e0983afb971b8cfb-32.png

422 ms

78-23cbabeeaa485179e9535256884e3d49a96bdf9a-32.gif

78-23cbabeeaa485179e9535256884e3d49a96bdf9a-32.gif

517 ms

8c19484e6a0f82d60335ed53ebe3dd79-32.png

8c19484e6a0f82d60335ed53ebe3dd79-32.png

523 ms

97-f74870d3645f74c4d59eb3241fbfb6e28a13e1ee-32.jpg

97-f74870d3645f74c4d59eb3241fbfb6e28a13e1ee-32.jpg

524 ms

21-61b51e02c183ccc64051e058302a42fda82af941-32.png

21-61b51e02c183ccc64051e058302a42fda82af941-32.png

526 ms

f3aaa5407e6325aee40d502951c3dd3c-32.png

f3aaa5407e6325aee40d502951c3dd3c-32.png

527 ms

ed6d63100a17bbc2cc38565df5441b1d-32.jpg

ed6d63100a17bbc2cc38565df5441b1d-32.jpg

527 ms

getFont.php

getFont.php

815 ms

TeX-AMS-MML_HTMLorMML.js

TeX-AMS-MML_HTMLorMML.js

124 ms

sdk.js

sdk.js

279 ms

Safe.js

Safe.js

43 ms

Safe.js

Safe.js

21 ms

62 ms

xd_arbiter.php

xd_arbiter.php

285 ms

Accessibility Review

schueler-forum.com accessibility score

86

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

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

High

Links do not have a discernible name

Best Practices

schueler-forum.com best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

schueler-forum.com SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Schueler-forum.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 Schueler-forum.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

schueler-forum.com

Open Graph data is detected on the main page of Schueler Forum. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: