Tools & Wizards About Us
astel.be screenshot

Report Summary

  • 64

    Performance

    Renders faster than
    78% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

astel.be

Astel - Comparaison des opérateurs internet, TV, téléphone et GSM

Page Load Speed

7.7 sec in total

First Response

356 ms

Resources Loaded

6.2 sec

Page Rendered

1.1 sec

astel.be screenshot

About Website

Click here to check amazing Astel content for Belgium. Otherwise, check out these important facts you probably never knew about astel.be

Comparez les opérateurs et commandez votre pack avec Astel. Comparatif des prix, promotions et comparaison des offres internet, télévision, téléphone et abonnement GSM en Belgique.

Visit astel.be

Key Findings

We analyzed Astel.be page load time and found that the first response time was 356 ms and then it took 7.3 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

astel.be performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

17/100

10%

LCP (Largest Contentful Paint)

Value4.6 s

34/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value230 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.048

99/100

15%

TTI (Time to Interactive)

Value6.5 s

59/100

10%

Network Requests Diagram

astel.be

356 ms

www.astel.be

1191 ms

bootstrap.min.css

418 ms

main.css

164 ms

font-awesome.min.css

25 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 55% of them (46 requests) were addressed to the original Astel.be, 34% (28 requests) were made to My.astel.be and 2% (2 requests) were made to Files.astel.be. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Astel.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 525.7 kB (62%)

Content Size

846.8 kB

After Optimization

321.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Astel.be main page is 846.8 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. 60% of websites need less resources to load. Javascripts take 363.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 53.0 kB

  • Original 69.0 kB
  • After minification 64.8 kB
  • After compression 16.0 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 53.0 kB or 77% of the original size.

Image Optimization

-25%

Potential reduce by 48.1 kB

  • Original 189.7 kB
  • After minification 141.6 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. Obviously, Astel needs image optimization as it can save up to 48.1 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 239.3 kB

  • Original 363.2 kB
  • After minification 345.1 kB
  • After compression 123.9 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 239.3 kB or 66% of the original size.

CSS Optimization

-82%

Potential reduce by 185.3 kB

  • Original 224.9 kB
  • After minification 205.5 kB
  • After compression 39.6 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. Astel.be needs all CSS files to be minified and compressed as it can save up to 185.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (25%)

Requests Now

67

After Optimization

50

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Astel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

astel.be

astel.be

356 ms

www.astel.be

www.astel.be

1191 ms

bootstrap.min.css

bootstrap.min.css

418 ms

main.css

main.css

164 ms

font-awesome.min.css

font-awesome.min.css

25 ms

jquery-ui.css

jquery-ui.css

50 ms

css

css

53 ms

jquery.fancybox.css

jquery.fancybox.css

158 ms

custom.css

custom.css

157 ms

jquery.min.js

jquery.min.js

53 ms

showHideBlock.js

showHideBlock.js

186 ms

xhr.js

xhr.js

169 ms

comparastil.js

comparastil.js

169 ms

jquery-ui-1.7.1.custom.min.js

jquery-ui-1.7.1.custom.min.js

384 ms

bootstrap.min.js

bootstrap.min.js

314 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

216 ms

jquery.fancybox-1.2.1.pack.js

jquery.fancybox-1.2.1.pack.js

220 ms

jqueryEmbed.js

jqueryEmbed.js

230 ms

astel.js

astel.js

235 ms

analytics.js

analytics.js

93 ms

logo.png

logo.png

83 ms

iconetvoff.png

iconetvoff.png

518 ms

www.astel.be

www.astel.be

889 ms

icon-search.png

icon-search.png

109 ms

arton4558.jpg

arton4558.jpg

109 ms

arton4557.jpg

arton4557.jpg

133 ms

arton4556.jpg

arton4556.jpg

108 ms

arton4554.jpg

arton4554.jpg

222 ms

arton4553.jpg

arton4553.jpg

223 ms

arton3664.jpg

arton3664.jpg

199 ms

arton4536.jpg

arton4536.jpg

199 ms

arton4537.jpg

arton4537.jpg

199 ms

arton4493.jpg

arton4493.jpg

199 ms

arton4482.jpg

arton4482.jpg

489 ms

arton4475.jpg

arton4475.jpg

489 ms

arton4072.jpg

arton4072.jpg

489 ms

arton4297.jpg

arton4297.jpg

488 ms

arton3856.png

arton3856.png

489 ms

arton3695.jpg

arton3695.jpg

489 ms

iconepcoff.png

iconepcoff.png

527 ms

iconeteloff.png

iconeteloff.png

527 ms

iconegsm.png

iconegsm.png

490 ms

611298476055.jpg

611298476055.jpg

489 ms

651455524369.jpg

651455524369.jpg

526 ms

761385034477.jpg

761385034477.jpg

530 ms

781412018024.jpg

781412018024.jpg

530 ms

101314610463.jpg

101314610463.jpg

530 ms

571227865325.jpg

571227865325.jpg

525 ms

701296038751.jpg

701296038751.jpg

518 ms

441429281627.jpg

441429281627.jpg

506 ms

791209379310.jpg

791209379310.jpg

507 ms

291374048908.jpg

291374048908.jpg

506 ms

891224508512.jpg

891224508512.jpg

505 ms

911455524369.jpg

911455524369.jpg

506 ms

821221055735.jpg

821221055735.jpg

504 ms

911412018024.jpg

911412018024.jpg

504 ms

171375277638.jpg

171375277638.jpg

769 ms

381227865325.jpg

381227865325.jpg

794 ms

581296038751.jpg

581296038751.jpg

795 ms

801221056623.jpg

801221056623.jpg

795 ms

541221055359.jpg

541221055359.jpg

794 ms

721374565523.jpg

721374565523.jpg

794 ms

etape_comparastel3.jpg

etape_comparastel3.jpg

293 ms

iconetv.png

iconetv.png

629 ms

iconepc.png

iconepc.png

630 ms

iconetel.png

iconetel.png

628 ms

iconegsmoff.png

iconegsmoff.png

629 ms

collect

collect

48 ms

fancy_closebox.png

fancy_closebox.png

288 ms

fancy_shadow_n.png

fancy_shadow_n.png

480 ms

fancy_shadow_ne.png

fancy_shadow_ne.png

661 ms

fancy_shadow_e.png

fancy_shadow_e.png

827 ms

fancy_shadow_se.png

fancy_shadow_se.png

2271 ms

fancy_shadow_s.png

fancy_shadow_s.png

2483 ms

fancy_shadow_sw.png

fancy_shadow_sw.png

992 ms

fancy_shadow_w.png

fancy_shadow_w.png

2003 ms

fancy_shadow_nw.png

fancy_shadow_nw.png

1199 ms

fancy_left.png

fancy_left.png

1712 ms

fancy_right.png

fancy_right.png

2850 ms

fancy_title_left.png

fancy_title_left.png

3233 ms

fancy_title_main.png

fancy_title_main.png

2665 ms

fancy_title_right.png

fancy_title_right.png

3034 ms

nr-852.min.js

nr-852.min.js

7 ms

Accessibility Review

astel.be accessibility score

74

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

ARIA IDs are not unique

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

Image elements do not have [alt] attributes

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

astel.be best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

astel.be SEO score

86

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    ISO-8859-1

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

astel.be

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