Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

collectif.numericable.fr

NUMERICABLE & SFR : Internet Très Haut Débit, TV, Téléphone

Page Load Speed

3.1 sec in total

First Response

379 ms

Resources Loaded

2.4 sec

Page Rendered

287 ms

collectif.numericable.fr screenshot

About Website

Visit collectif.numericable.fr now to see the best up-to-date Collectif NUMERICABLE content for France and also check out these interesting facts you probably never knew about collectif.numericable.fr

NUMERICABLE & SFR ne font plus qu'un : clients Numericable, vous avez désormais accès aux offres Internet, Mobile et TV de SFR. Votre espace client reste disponible.

Visit collectif.numericable.fr

Key Findings

We analyzed Collectif.numericable.fr page load time and found that the first response time was 379 ms and then it took 2.7 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

collectif.numericable.fr performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

4/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.128

82/100

15%

TTI (Time to Interactive)

Value10.0 s

27/100

10%

Network Requests Diagram

collectif.numericable.fr

379 ms

offres.numericable.fr

190 ms

offres-numericable.html

528 ms

composants.css

453 ms

achh.js

610 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Collectif.numericable.fr, 90% (28 requests) were made to Static.s-sfr.fr and 3% (1 request) were made to Offres.numericable.fr. The less responsive or slowest element that took the longest time to load (861 ms) relates to the external source Static.s-sfr.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 128.4 kB (19%)

Content Size

659.7 kB

After Optimization

531.3 kB

In fact, the total size of Collectif.numericable.fr main page is 659.7 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. 30% of websites need less resources to load. Images take 458.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 95.1 kB

  • Original 118.1 kB
  • After minification 107.2 kB
  • After compression 23.0 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 95.1 kB or 81% of the original size.

Image Optimization

-7%

Potential reduce by 32.9 kB

  • Original 458.9 kB
  • After minification 425.9 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. Collectif NUMERICABLE images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 262 B

  • Original 37.4 kB
  • After minification 37.4 kB
  • After compression 37.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 106 B

  • Original 45.3 kB
  • After minification 45.3 kB
  • After compression 45.2 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. Collectif.numericable.fr has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

18

After Optimization

18

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Collectif NUMERICABLE. According to our analytics all requests are already optimized.

Accessibility Review

collectif.numericable.fr accessibility score

77

Accessibility Issues

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

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

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

High

Links do not have a discernible name

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

collectif.numericable.fr 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

collectif.numericable.fr SEO score

76

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 doesn't use 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 Collectif.numericable.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 Collectif.numericable.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 data is detected on the main page of Collectif NUMERICABLE. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: