Tools & Wizards About Us

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 52

    Accessibility

    Visual factors better than
    that of 21% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

centaure-systems.fr

Panneaux lumineux application et afficheur prix de carburant - Centaure Systems

Page Load Speed

3.3 sec in total

First Response

321 ms

Resources Loaded

2.8 sec

Page Rendered

197 ms

About Website

Click here to check amazing Centaure Systems content for France. Otherwise, check out these important facts you probably never knew about centaure-systems.fr

Centaure Systems assure la conception, la fabrication, la commercialisation et la maintenance de ses solutions de communication visuelle par affichage électronique : panneaux lumineux, afficheurs élec...

Visit centaure-systems.fr

Key Findings

We analyzed Centaure-systems.fr page load time and found that the first response time was 321 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

centaure-systems.fr performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value19.6 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value7,870 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.622

10/100

15%

TTI (Time to Interactive)

Value19.8 s

2/100

10%

Network Requests Diagram

centaure-systems.fr

321 ms

centaure2.css

107 ms

dropdown2.css

212 ms

dropdown.js

212 ms

ga.js

7 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 37% of them (14 requests) were addressed to the original Centaure-systems.fr, 55% (21 requests) were made to Player.centaure-systems.fr and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (885 ms) relates to the external source Player.centaure-systems.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 619.0 kB (30%)

Content Size

2.0 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Centaure-systems.fr main page is 2.0 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. 45% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 9.9 kB

  • Original 13.5 kB
  • After minification 11.9 kB
  • After compression 3.6 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 1.6 kB, which is 12% 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 9.9 kB or 73% of the original size.

Image Optimization

-1%

Potential reduce by 14.0 kB

  • Original 1.3 MB
  • After minification 1.2 MB

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. Centaure Systems images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 384.7 kB

  • Original 534.5 kB
  • After minification 534.2 kB
  • After compression 149.8 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 384.7 kB or 72% of the original size.

CSS Optimization

-87%

Potential reduce by 210.4 kB

  • Original 242.6 kB
  • After minification 240.8 kB
  • After compression 32.2 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. Centaure-systems.fr needs all CSS files to be minified and compressed as it can save up to 210.4 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (14%)

Requests Now

36

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centaure Systems. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

centaure-systems.fr accessibility score

52

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

High

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

High

Links do not have a discernible 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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

centaure-systems.fr 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

Missing source maps for large first-party JavaScript

SEO Factors

centaure-systems.fr SEO score

90

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

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Centaure-systems.fr can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Centaure-systems.fr 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 Centaure Systems. 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: