Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

donbosco-tournai.be

Centre scolaire Don Bosco Tournai Centre scolaire Don Bosco Tournai

Page Load Speed

6 sec in total

First Response

871 ms

Resources Loaded

4 sec

Page Rendered

1.1 sec

donbosco-tournai.be screenshot

About Website

Welcome to donbosco-tournai.be homepage info - get ready to check Don Bosco Tournai best content for Belgium right away, or after learning these important things about donbosco-tournai.be

école secondaire technique, professionelle et en alternance en infographie, 3D, menuiserie, mécanique, électricité, construction, garage, ...

Visit donbosco-tournai.be

Key Findings

We analyzed Donbosco-tournai.be page load time and found that the first response time was 871 ms and then it took 5.1 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

donbosco-tournai.be performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.8 s

1/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

3/100

25%

SI (Speed Index)

Value16.2 s

0/100

10%

TBT (Total Blocking Time)

Value28,360 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value53.0 s

0/100

10%

Network Requests Diagram

donbosco-tournai.be

871 ms

style.css

101 ms

style.min.css

177 ms

style.min.css

262 ms

css

60 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 61% of them (42 requests) were addressed to the original Donbosco-tournai.be, 26% (18 requests) were made to Youtube.com and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Donbosco-tournai.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 385.5 kB (22%)

Content Size

1.8 MB

After Optimization

1.4 MB

In fact, the total size of Donbosco-tournai.be main page is 1.8 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 29.9 kB

  • Original 37.8 kB
  • After minification 37.1 kB
  • After compression 7.9 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 29.9 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 35.2 kB

  • Original 1.3 MB
  • After minification 1.2 MB

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. Don Bosco Tournai images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 9.4 kB

  • Original 40.1 kB
  • After minification 40.1 kB
  • After compression 30.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 9.4 kB or 23% of the original size.

CSS Optimization

-76%

Potential reduce by 310.9 kB

  • Original 408.2 kB
  • After minification 408.0 kB
  • After compression 97.3 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. Donbosco-tournai.be needs all CSS files to be minified and compressed as it can save up to 310.9 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (27%)

Requests Now

66

After Optimization

48

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Don Bosco Tournai. 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 from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

donbosco-tournai.be accessibility score

91

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

donbosco-tournai.be best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

donbosco-tournai.be SEO score

99

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

    FR

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Donbosco-tournai.be can be misinterpreted by Google and other search engines. Our service has detected that French 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 Donbosco-tournai.be 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 Don Bosco Tournai. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: