Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

rtbf.be

RTBF Actus - La référence de l'actualité belge et internationale - Accueil - RTBF Actus

Page Load Speed

3.3 sec in total

First Response

282 ms

Resources Loaded

2.2 sec

Page Rendered

738 ms

rtbf.be screenshot

About Website

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

Toute l'actualité belge et internationale sur RTBF.be : retrouvez toutes les news info, sport, culture, musique et bien plus encore et accédez aux chaînes TV, radio et marques de la RTBF.

Visit rtbf.be

Key Findings

We analyzed Rtbf.be page load time and found that the first response time was 282 ms and then it took 3 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

rtbf.be performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

31/100

10%

LCP (Largest Contentful Paint)

Value5.2 s

24/100

25%

SI (Speed Index)

Value9.9 s

9/100

10%

TBT (Total Blocking Time)

Value8,050 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value21.0 s

1/100

10%

Network Requests Diagram

rtbf.be

282 ms

www.rtbf.be

382 ms

e3da659427e271047867c7605d622946.css

460 ms

4b853980136272a4eb040022535eb943.css

645 ms

f5dd963358491e7dfe5e15df0ff5519c.css

650 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Rtbf.be, 23% (13 requests) were made to Static.rtbf.be and 13% (7 requests) were made to Ds1.ds.static.rtbf.be. The less responsive or slowest element that took the longest time to load (827 ms) relates to the external source Sgc.static.rtbf.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (52%)

Content Size

3.3 MB

After Optimization

1.6 MB

In fact, the total size of Rtbf.be main page is 3.3 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. 50% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 440.5 kB

  • Original 501.0 kB
  • After minification 435.3 kB
  • After compression 60.6 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. This page needs HTML code to be minified as it can gain 65.7 kB, which is 13% 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 440.5 kB or 88% of the original size.

Image Optimization

-2%

Potential reduce by 15.1 kB

  • Original 952.1 kB
  • After minification 937.0 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. RTBF images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 701.7 kB

  • Original 1.0 MB
  • After minification 887.0 kB
  • After compression 305.8 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 701.7 kB or 70% of the original size.

CSS Optimization

-66%

Potential reduce by 551.0 kB

  • Original 840.6 kB
  • After minification 789.1 kB
  • After compression 289.5 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. Rtbf.be needs all CSS files to be minified and compressed as it can save up to 551.0 kB or 66% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (54%)

Requests Now

46

After Optimization

21

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RTBF. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

rtbf.be accessibility score

98

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

<frame> or <iframe> elements do not have a title

Best Practices

rtbf.be best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

rtbf.be 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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rtbf.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 Rtbf.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 description is not detected on the main page of RTBF. 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: