Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 43% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

seuil.com

Editions du Seuil, Maison d'édition, Littérature - Seuil.com | Editions Seuil

Page Load Speed

2.4 sec in total

First Response

282 ms

Resources Loaded

2 sec

Page Rendered

192 ms

About Website

Welcome to seuil.com homepage info - get ready to check Seuil best content for France right away, or after learning these important things about seuil.com

Retrouvez tous les livres et les nouveautés littéraires publiées par les Editions du Seuil sur Seuil.com

Visit seuil.com

Key Findings

We analyzed Seuil.com page load time and found that the first response time was 282 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

seuil.com performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

1/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value700 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0.188

65/100

15%

TTI (Time to Interactive)

Value8.4 s

39/100

10%

Network Requests Diagram

seuil.com

282 ms

seuil.min.css

85 ms

seuil.min.js

332 ms

ga.js

29 ms

fond.png

83 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 98% of them (93 requests) were addressed to the original Seuil.com, 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (711 ms) belongs to the original domain Seuil.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 194.1 kB (25%)

Content Size

772.8 kB

After Optimization

578.7 kB

In fact, the total size of Seuil.com main page is 772.8 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. 40% of websites need less resources to load. Images take 533.0 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 38.2 kB

  • Original 46.6 kB
  • After minification 42.4 kB
  • After compression 8.4 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 38.2 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 29.4 kB

  • Original 533.0 kB
  • After minification 503.6 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. Seuil images are well optimized though.

JavaScript Optimization

-59%

Potential reduce by 85.2 kB

  • Original 144.3 kB
  • After minification 144.3 kB
  • After compression 59.0 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 85.2 kB or 59% of the original size.

CSS Optimization

-84%

Potential reduce by 41.3 kB

  • Original 48.9 kB
  • After minification 40.5 kB
  • After compression 7.6 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. Seuil.com needs all CSS files to be minified and compressed as it can save up to 41.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (24%)

Requests Now

94

After Optimization

71

The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Seuil. 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.

Accessibility Review

seuil.com accessibility score

76

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

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

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

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

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

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

High

Links do not have a discernible name

Best Practices

seuil.com best practices score

67

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

seuil.com SEO score

83

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

Links do not have descriptive text

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

    FR

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Seuil.com 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 Seuil.com 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 Seuil. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: