Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

bluebook.be

BlueBook - Bonnes adresses et prestataires de confiance

Page Load Speed

6.2 sec in total

First Response

357 ms

Resources Loaded

5.4 sec

Page Rendered

471 ms

bluebook.be screenshot

About Website

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

Notre portail Bluebook vous propose une sélection de professionnels en Belgique, actifs dans des secteurs aussi variés que le bâtiment, la décoration d'intérieur ou le déménagement. Il vous permet...

Visit bluebook.be

Key Findings

We analyzed Bluebook.be page load time and found that the first response time was 357 ms and then it took 5.9 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

bluebook.be performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value12.3 s

0/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value2,120 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.374

28/100

15%

TTI (Time to Interactive)

Value13.3 s

12/100

10%

Network Requests Diagram

bluebook.be

357 ms

www.bluebook.be

273 ms

www.bluebook.be

1369 ms

gtm.js

63 ms

site.css

289 ms

Our browser made a total of 206 requests to load all elements on the main page. We found that 92% of them (190 requests) were addressed to the original Bluebook.be, 2% (4 requests) were made to Platform.twitter.com and 1% (3 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Bluebook.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 186.7 kB (25%)

Content Size

750.1 kB

After Optimization

563.3 kB

In fact, the total size of Bluebook.be main page is 750.1 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. 70% of websites need less resources to load. Images take 489.7 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 140.9 kB

  • Original 164.0 kB
  • After minification 128.3 kB
  • After compression 23.1 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 35.7 kB, which is 22% 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 140.9 kB or 86% of the original size.

Image Optimization

-3%

Potential reduce by 13.9 kB

  • Original 489.7 kB
  • After minification 475.8 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. Blue Book images are well optimized though.

JavaScript Optimization

-33%

Potential reduce by 32.0 kB

  • Original 96.4 kB
  • After minification 96.4 kB
  • After compression 64.4 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 32.0 kB or 33% of the original size.

Requests Breakdown

Number of requests can be reduced by 127 (63%)

Requests Now

201

After Optimization

74

The browser has sent 201 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Blue Book. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

bluebook.be accessibility score

79

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

Buttons do not have an accessible name

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.

Best Practices

bluebook.be best practices score

75

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

bluebook.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 Bluebook.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 Bluebook.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 Blue Book. 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: