Tools & Wizards About Us
redbysfr.fr screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

redbysfr.fr

RED by SFR | Forfait sans engagement, Internet, Téléphones

Page Load Speed

3 sec in total

First Response

363 ms

Resources Loaded

2.3 sec

Page Rendered

393 ms

redbysfr.fr screenshot

About Website

Click here to check amazing RED By SFR content for France. Otherwise, check out these important facts you probably never knew about redbysfr.fr

Découvrez les offres RED by SFR : forfaits mobiles 4G et 5G, box internet Fibre et ADSL, Internet + Mobile sans engagement !

Visit redbysfr.fr

Key Findings

We analyzed Redbysfr.fr page load time and found that the first response time was 363 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

redbysfr.fr performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value700 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.062

97/100

15%

TTI (Time to Interactive)

Value7.2 s

50/100

10%

Network Requests Diagram

redbysfr.fr

363 ms

www.red-by-sfr.fr

428 ms

accueil.css

536 ms

header.js

756 ms

framework-red.js

843 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Redbysfr.fr, 92% (22 requests) were made to Static.s-sfr.fr and 4% (1 request) were made to Red-by-sfr.fr. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Static.s-sfr.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 42.3 kB (44%)

Content Size

95.8 kB

After Optimization

53.5 kB

  • HTML
  • JavaScript

In fact, the total size of Redbysfr.fr main page is 95.8 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. Only 10% of websites need less resources to load. HTML takes 58.1 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 42.1 kB

  • Original 58.1 kB
  • After minification 55.2 kB
  • After compression 16.1 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. 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 42.1 kB or 72% of the original size.

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 Breakdown

Number of requests can be reduced by 14 (64%)

Requests Now

22

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RED By SFR. 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

redbysfr.fr

redbysfr.fr

363 ms

www.red-by-sfr.fr

www.red-by-sfr.fr

428 ms

accueil.css

accueil.css

536 ms

header.js

header.js

756 ms

framework-red.js

framework-red.js

843 ms

footer.js

footer.js

1039 ms

red.svg

red.svg

142 ms

rech.svg

rech.svg

161 ms

ecRED.svg

ecRED.svg

229 ms

account_circle.svg

account_circle.svg

247 ms

suivi_commande-blue.svg

suivi_commande-blue.svg

262 ms

activation-blue.svg

activation-blue.svg

316 ms

parrainage-blue.svg

parrainage-blue.svg

334 ms

mot_de_passe-bleu.svg

mot_de_passe-bleu.svg

349 ms

urgence-blue.svg

urgence-blue.svg

351 ms

fleche_gauche-black.svg

fleche_gauche-black.svg

356 ms

menu.svg

menu.svg

363 ms

home.webp

home.webp

491 ms

home.webp

home.webp

725 ms

rF.svg

rF.svg

436 ms

fb.svg

fb.svg

438 ms

X.svg

X.svg

444 ms

aide-black.svg

aide-black.svg

412 ms

chevron_bas-black.svg

chevron_bas-black.svg

473 ms

Accessibility Review

redbysfr.fr accessibility score

67

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

High

ARIA IDs are not unique

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

Image elements do not have [alt] attributes

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

redbysfr.fr best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

redbysfr.fr SEO score

93

Search Engine Optimization Advices

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 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 Redbysfr.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 Redbysfr.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

redbysfr.fr

Open Graph data is detected on the main page of RED By SFR. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: