Report Summary

  • 17

    Performance

    Renders faster than
    33% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

theorie24.ch

Theorieprüfung Lern-App – Theorieprüfung einfach bestehen | Theorie24

Page Load Speed

3.5 sec in total

First Response

399 ms

Resources Loaded

3 sec

Page Rendered

159 ms

theorie24.ch screenshot

About Website

Click here to check amazing Theorie24 content for Switzerland. Otherwise, check out these important facts you probably never knew about theorie24.ch

Jetzt online für die Auto Theorieprüfung lernen – mit den Originalfragen des Strassenverkehrsamtes. Ein Login für alle Geräte. Hier mehr erfahren!

Visit theorie24.ch

Key Findings

We analyzed Theorie24.ch page load time and found that the first response time was 399 ms and then it took 3.1 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

theorie24.ch performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.0 s

0/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value840 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.291

41/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

theorie24.ch

399 ms

www.theorie24.ch

439 ms

style_3spalte.css

90 ms

styles.css

178 ms

jquery.min.js

7 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 58% of them (34 requests) were addressed to the original Theorie24.ch, 17% (10 requests) were made to Static.xx.fbcdn.net and 14% (8 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Tracking.globonet.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.9 kB (11%)

Content Size

453.8 kB

After Optimization

401.9 kB

In fact, the total size of Theorie24.ch main page is 453.8 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 342.9 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 10.1 kB

  • Original 14.6 kB
  • After minification 12.8 kB
  • After compression 4.5 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 1.7 kB, which is 12% 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 10.1 kB or 69% of the original size.

Image Optimization

-4%

Potential reduce by 12.3 kB

  • Original 342.9 kB
  • After minification 330.6 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. Theorie24 images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 14.2 kB

  • Original 77.2 kB
  • After minification 77.2 kB
  • After compression 63.0 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 14.2 kB or 18% of the original size.

CSS Optimization

-80%

Potential reduce by 15.3 kB

  • Original 19.2 kB
  • After minification 15.4 kB
  • After compression 3.8 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. Theorie24.ch needs all CSS files to be minified and compressed as it can save up to 15.3 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (38%)

Requests Now

55

After Optimization

34

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Theorie24. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

theorie24.ch accessibility score

83

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

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

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

theorie24.ch 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

theorie24.ch 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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Theorie24.ch can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Theorie24.ch main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph data is detected on the main page of Theorie24. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: