Tools & Wizards About Us
biodiversite.wallonie.be screenshot

Report Summary

  • 96

    Performance

    Renders faster than
    94% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

biodiversite.wallonie.be

Portail Biodiversité en Wallonie : espèces, biotopes, sites de grand intérêt biologique, actualités

Page Load Speed

2.5 sec in total

First Response

508 ms

Resources Loaded

1.9 sec

Page Rendered

125 ms

biodiversite.wallonie.be screenshot

About Website

Welcome to biodiversite.wallonie.be homepage info - get ready to check Biodiversite Wallonie best content for Belgium right away, or after learning these important things about biodiversite.wallonie.be

Biodiversité en Wallonie : écologie, répartition géographique des groupes biologiques, statuts de protection espèces, actions sauvegarde, actualités, projets LIFE, LIFE+, PCDN, Natura 2000, Belgique

Visit biodiversite.wallonie.be

Key Findings

We analyzed Biodiversite.wallonie.be page load time and found that the first response time was 508 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

biodiversite.wallonie.be performance score

96

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value3.9 s

83/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.7 s

90/100

10%

Network Requests Diagram

accueil.html

508 ms

jquery-ui.min.css

6 ms

main.css

255 ms

main.css

177 ms

coq_wallonie.png

172 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 76% of them (25 requests) were addressed to the original Biodiversite.wallonie.be, 6% (2 requests) were made to Ajax.googleapis.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (842 ms) belongs to the original domain Biodiversite.wallonie.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 29.6 kB (9%)

Content Size

346.6 kB

After Optimization

317.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Biodiversite.wallonie.be main page is 346.6 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 180.7 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 20.4 kB

  • Original 28.2 kB
  • After minification 28.2 kB
  • After compression 7.8 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 20.4 kB or 72% of the original size.

Image Optimization

-4%

Potential reduce by 6.8 kB

  • Original 180.7 kB
  • After minification 173.9 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. Biodiversite Wallonie images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 821 B

  • Original 121.3 kB
  • After minification 121.3 kB
  • After compression 120.5 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

-10%

Potential reduce by 1.6 kB

  • Original 16.3 kB
  • After minification 16.3 kB
  • After compression 14.7 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. Biodiversite.wallonie.be has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (26%)

Requests Now

31

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biodiversite Wallonie. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

accueil.html

accueil.html

508 ms

jquery-ui.min.css

jquery-ui.min.css

6 ms

main.css

main.css

255 ms

main.css

main.css

177 ms

coq_wallonie.png

coq_wallonie.png

172 ms

swfobject.js

swfobject.js

204 ms

jquery.min.js

jquery.min.js

8 ms

jquery-ui.min.js

jquery-ui.min.js

13 ms

common.js

common.js

256 ms

addthis_widget.js

addthis_widget.js

162 ms

get_flash_player.gif

get_flash_player.gif

491 ms

sprite.png

sprite.png

104 ms

menu-especes.jpg

menu-especes.jpg

86 ms

shim.gif

shim.gif

104 ms

menu-biotopes.jpg

menu-biotopes.jpg

105 ms

menu-sites.jpg

menu-sites.jpg

156 ms

especes-tree.png

especes-tree.png

168 ms

more_texture.jpg

more_texture.jpg

168 ms

biotopes-tree.png

biotopes-tree.png

177 ms

sites-carto.png

sites-carto.png

177 ms

image36742484772922095.jpg

image36742484772922095.jpg

271 ms

akela-bandeau.jpg

akela-bandeau.jpg

366 ms

image7955458131973444385.jpg

image7955458131973444385.jpg

255 ms

tortue.png

tortue.png

842 ms

memorandum.jpg

memorandum.jpg

273 ms

natura-2000-day-2024-illustration-0.jpg

natura-2000-day-2024-illustration-0.jpg

275 ms

logo_biodivercite_h.png

logo_biodivercite_h.png

431 ms

formation_natura_2024.jpg

formation_natura_2024.jpg

454 ms

logo-wallonie-footer.png

logo-wallonie-footer.png

340 ms

ga.js

ga.js

12 ms

hotjar-3867558.js

hotjar-3867558.js

112 ms

__utm.gif

__utm.gif

18 ms

print.css

print.css

91 ms

Accessibility Review

biodiversite.wallonie.be accessibility score

85

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.

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

Form elements do not have associated labels

Best Practices

biodiversite.wallonie.be best practices score

67

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

biodiversite.wallonie.be SEO score

83

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

High

robots.txt is not valid

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

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Biodiversite.wallonie.be 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 Biodiversite.wallonie.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

biodiversite.wallonie.be

Open Graph description is not detected on the main page of Biodiversite Wallonie. 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: