Tools & Wizards About Us

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

apprentus.ch

Cours particuliers et soutien scolaire à domicile ou chez les professeurs

Page Load Speed

6.1 sec in total

First Response

200 ms

Resources Loaded

5.6 sec

Page Rendered

283 ms

About Website

Visit apprentus.ch now to see the best up-to-date Apprentus content for Belgium and also check out these interesting facts you probably never knew about apprentus.ch

Vos cours particuliers et soutien scolaire à domicile ou chez le professeur particulier. Trouvez votre prof de langue, de musique ou math partout en Suisse (Genève, Lausanne...)

Visit apprentus.ch

Key Findings

We analyzed Apprentus.ch page load time and found that the first response time was 200 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

apprentus.ch performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

13/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value560 ms

53/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value8.8 s

35/100

10%

Network Requests Diagram

apprentus.ch

200 ms

www.apprentus.ch

2212 ms

analytics.js

52 ms

mixpanel-2.2.min.js

235 ms

css

129 ms

Our browser made a total of 77 requests to load all elements on the main page. We found that 14% of them (11 requests) were addressed to the original Apprentus.ch, 31% (24 requests) were made to Aup.imgix.net and 19% (15 requests) were made to D22f5qhdx0pshm.cloudfront.net. The less responsive or slowest element that took the longest time to load (2.4 sec) relates to the external source Apprentus.imgix.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 566.3 kB (39%)

Content Size

1.5 MB

After Optimization

895.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Apprentus.ch 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. 60% of websites need less resources to load. Images take 546.9 kB which makes up the majority of the site volume.

HTML Optimization

-50%

Potential reduce by 157.8 kB

  • Original 317.6 kB
  • After minification 317.4 kB
  • After compression 159.8 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 157.8 kB or 50% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 546.9 kB
  • After minification 546.9 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. Apprentus images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 224.5 kB

  • Original 371.0 kB
  • After minification 370.9 kB
  • After compression 146.6 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 224.5 kB or 60% of the original size.

CSS Optimization

-81%

Potential reduce by 184.1 kB

  • Original 226.3 kB
  • After minification 224.6 kB
  • After compression 42.3 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. Apprentus.ch needs all CSS files to be minified and compressed as it can save up to 184.1 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (33%)

Requests Now

70

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Apprentus. 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 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

apprentus.ch accessibility score

91

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

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.

Best Practices

apprentus.ch 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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

apprentus.ch SEO score

93

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Apprentus.ch can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it matches the claimed language. Our system also found out that Apprentus.ch 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 data is detected on the main page of Apprentus. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: