Tools & Wizards About Us

Report Summary

  • 92

    Performance

    Renders faster than
    92% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

allo-bruxelles.be

Annuaire Bruxelles - Annuaire Téléphonique des Professionnels Bruxelloiss

Page Load Speed

815 ms in total

First Response

114 ms

Resources Loaded

566 ms

Page Rendered

135 ms

About Website

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Key Findings

We analyzed Allo-bruxelles.be page load time and found that the first response time was 114 ms and then it took 701 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

allo-bruxelles.be performance score

92

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value3.3 s

94/100

10%

Network Requests Diagram

allo-bruxelles.be

114 ms

main.css

23 ms

sexyalertbox.css

38 ms

mootools.js

53 ms

sexyalertbox.v1.2.moo.mini.js

36 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 50% of them (18 requests) were addressed to the original Allo-bruxelles.be, 22% (8 requests) were made to Apis.google.com and 14% (5 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (130 ms) relates to the external source Apis.google.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 647.3 kB (67%)

Content Size

963.9 kB

After Optimization

316.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Allo-bruxelles.be main page is 963.9 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. 50% of websites need less resources to load. Javascripts take 778.5 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 96.8 kB

  • Original 128.5 kB
  • After minification 127.9 kB
  • After compression 31.7 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 96.8 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 161 B

  • Original 34.9 kB
  • After minification 34.8 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. Allo Bruxelles images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 532.9 kB

  • Original 778.5 kB
  • After minification 769.6 kB
  • After compression 245.5 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 532.9 kB or 68% of the original size.

CSS Optimization

-79%

Potential reduce by 17.3 kB

  • Original 22.0 kB
  • After minification 18.6 kB
  • After compression 4.7 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. Allo-bruxelles.be needs all CSS files to be minified and compressed as it can save up to 17.3 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (52%)

Requests Now

33

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Allo Bruxelles. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

allo-bruxelles.be accessibility score

80

Accessibility Issues

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

Form elements do not have associated labels

Best Practices

allo-bruxelles.be best practices score

58

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

allo-bruxelles.be SEO score

69

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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    FR

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Allo-bruxelles.be can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is French. Our system also found out that Allo-bruxelles.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

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