Access parrainage-red.sfr.fr. Parrainage RED by SFR : profitez de jusqu'à 15€ d'avantages offerts

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value7.2 s

5/100

25%

SI (Speed Index)

Value6.1 s

44/100

10%

TBT (Total Blocking Time)

Value300 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.097

90/100

15%

TTI (Time to Interactive)

Value8.1 s

41/100

10%

642 ms

sfr.jquery.js

498 ms

param.sfr.min.js

587 ms

global.sfr.min.js

778 ms

pontis.sfr.min.js

832 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Parrainage-red.sfr.fr, 2% (1 request) were made to Red-by-sfr.fr. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Static.s-sfr.fr.

Content Size

399.6 kB

After Optimization

370.7 kB

In fact, the total size of Parrainage-red.sfr.fr main page is 399.6 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 321.5 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 28.7 kB

Original 40.5 kB
After minification 39.0 kB
After compression 11.8 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 28.7 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

Original 321.5 kB
After minification 321.5 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. Parrainage RED SFR images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 236 B

Original 37.6 kB
After minification 37.6 kB
After compression 37.4 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. This website has mostly compressed JavaScripts.

Requests Now

After Optimization

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Parrainage RED SFR. 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 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Image elements do not have [alt] attributes

These are opportunities to improve keyboard navigation in your application.

High

Some elements have a [tabindex] value greater than 0

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Image elements do not have [alt] attributes

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/).

High

Document doesn't use 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 Parrainage-red.sfr.fr 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 Parrainage-red.sfr.fr 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 data is detected on the main page of Parrainage RED SFR. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: