Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

a.fr

Amazon.fr : livres, DVD, jeux vidéo, musique, high-tech, informatique, jouets, vêtements, chaussures, sport, bricolage, maison, beauté, puériculture, ...

Page Load Speed

619 ms in total

First Response

6 ms

Resources Loaded

542 ms

Page Rendered

71 ms

a.fr screenshot

About Website

Welcome to a.fr homepage info - get ready to check A best content right away, or after learning these important things about a.fr

Achat et vente en ligne parmi des millions de produits en stock. Livraison gratuite à partir de 25€. Vos articles à petits prix : culture, high-tech, mode, jouets, sport, maison et bien plus !

Visit a.fr

Key Findings

We analyzed A.fr page load time and found that the first response time was 6 ms and then it took 613 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

a.fr performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

61/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value2.7 s

97/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.7 s

97/100

10%

Network Requests Diagram

www.amazon.fr

6 ms

www.amazon.fr

93 ms

AmazonUI-3c913031596ca78a3768f4e934b1cc02ce238101.secure.min._V1_.css

14 ms

requestId=3W99DZYJCDEFFD6B3SJQ&js=1

288 ms

csm-captcha-instrumentation.min.js

24 ms

Our browser made a total of 10 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original A.fr, 20% (2 requests) were made to Amazon.fr and 20% (2 requests) were made to Images-eu.ssl-images-amazon.com. The less responsive or slowest element that took the longest time to load (288 ms) relates to the external source Fls-eu.amazon.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 6.0 kB (9%)

Content Size

66.6 kB

After Optimization

60.6 kB

In fact, the total size of A.fr main page is 66.6 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. Only 10% of websites need less resources to load. CSS take 23.2 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 5.8 kB

  • Original 7.9 kB
  • After minification 5.4 kB
  • After compression 2.0 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. This page needs HTML code to be minified as it can gain 2.5 kB, which is 31% 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 5.8 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 110 B

  • Original 22.8 kB
  • After minification 22.7 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. A images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 46 B

  • Original 12.7 kB
  • After minification 12.7 kB
  • After compression 12.7 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 14 B

  • Original 23.2 kB
  • After minification 23.2 kB
  • After compression 23.1 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. A.fr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (38%)

Requests Now

8

After Optimization

5

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of A. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

a.fr accessibility score

82

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.

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

Best Practices

a.fr best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

a.fr SEO score

75

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 uses legible font sizes

High

Tap targets are not sized appropriately

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 A.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 A.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 description is not detected on the main page of A. 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: