Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

kurokawa.fr

Kurokawa, tous les livres de la maison d'édition | Lisez!

Page Load Speed

7.4 sec in total

First Response

999 ms

Resources Loaded

3.6 sec

Page Rendered

2.8 sec

kurokawa.fr screenshot

About Website

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

Site officiel de Kurokawa sur Lisez! Tous les livres et les dernières actualités de la maison d'édition

Visit kurokawa.fr

Key Findings

We analyzed Kurokawa.fr page load time and found that the first response time was 999 ms and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

kurokawa.fr performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

24/100

10%

LCP (Largest Contentful Paint)

Value25.7 s

0/100

25%

SI (Speed Index)

Value27.1 s

0/100

10%

TBT (Total Blocking Time)

Value6,720 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.306

38/100

15%

TTI (Time to Interactive)

Value45.1 s

0/100

10%

Network Requests Diagram

19

999 ms

css

36 ms

screen.css

178 ms

font-awesome.css

326 ms

select2.min.css

446 ms

Our browser made a total of 170 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Kurokawa.fr, 28% (48 requests) were made to Static.xx.fbcdn.net and 8% (13 requests) were made to Lisez.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Syndication.twitter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 715.1 kB (11%)

Content Size

6.5 MB

After Optimization

5.8 MB

In fact, the total size of Kurokawa.fr main page is 6.5 MB. 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 a small number of websites need less resources to load. Images take 5.8 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 324.8 kB

  • Original 382.2 kB
  • After minification 338.2 kB
  • After compression 57.5 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 44.0 kB, which is 12% 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 324.8 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 210.9 kB

  • Original 5.8 MB
  • After minification 5.5 MB

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. Kurokawa images are well optimized though.

JavaScript Optimization

-47%

Potential reduce by 175.6 kB

  • Original 370.6 kB
  • After minification 370.5 kB
  • After compression 195.0 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 175.6 kB or 47% of the original size.

CSS Optimization

-32%

Potential reduce by 3.8 kB

  • Original 11.8 kB
  • After minification 11.8 kB
  • After compression 8.0 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. Kurokawa.fr needs all CSS files to be minified and compressed as it can save up to 3.8 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 85 (52%)

Requests Now

163

After Optimization

78

The browser has sent 163 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kurokawa. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 55 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kurokawa.fr accessibility score

67

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.

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 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

Links do not have a discernible name

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

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

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

kurokawa.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

kurokawa.fr SEO score

90

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

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 Kurokawa.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 Kurokawa.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 Kurokawa. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: