Tools & Wizards About Us
youboox.fr screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

youboox.fr

Nextory: E-Books & Audiobooks – Try 30 days for free

Page Load Speed

2.2 sec in total

First Response

26 ms

Resources Loaded

1.9 sec

Page Rendered

320 ms

youboox.fr screenshot

About Website

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

Read or listen? It's up to you! ➤ Find your and the children's favorites among hundreds of thousands of Audiobooks and E-books

Visit youboox.fr

Key Findings

We analyzed Youboox.fr page load time and found that the first response time was 26 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

youboox.fr performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value20.0 s

0/100

25%

SI (Speed Index)

Value18.6 s

0/100

10%

TBT (Total Blocking Time)

Value19,080 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value30.2 s

0/100

10%

Network Requests Diagram

youboox.fr

26 ms

4552512851.js

277 ms

app.css

207 ms

css

64 ms

app.js

204 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 56% of them (36 requests) were addressed to the original Youboox.fr, 11% (7 requests) were made to Fonts.gstatic.com and 5% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Youboox.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 951.8 kB (45%)

Content Size

2.1 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Youboox.fr main page is 2.1 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. 60% of websites need less resources to load. Javascripts take 840.2 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 23.7 kB

  • Original 29.9 kB
  • After minification 22.8 kB
  • After compression 6.1 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. This page needs HTML code to be minified as it can gain 7.1 kB, which is 24% 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 23.7 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 457 B

  • Original 806.2 kB
  • After minification 805.7 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. Youboox images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 572.6 kB

  • Original 840.2 kB
  • After minification 840.1 kB
  • After compression 267.6 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 572.6 kB or 68% of the original size.

CSS Optimization

-83%

Potential reduce by 355.0 kB

  • Original 427.1 kB
  • After minification 425.5 kB
  • After compression 72.1 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. Youboox.fr needs all CSS files to be minified and compressed as it can save up to 355.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (32%)

Requests Now

53

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Youboox. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

youboox.fr

youboox.fr

26 ms

4552512851.js

4552512851.js

277 ms

app.css

app.css

207 ms

css

css

64 ms

app.js

app.js

204 ms

event

event

70 ms

logo-yb.svg

logo-yb.svg

246 ms

kURAVtHVjgE

kURAVtHVjgE

124 ms

icon-previous-slider1.svg

icon-previous-slider1.svg

193 ms

icon-next-slider1.svg

icon-next-slider1.svg

299 ms

slider-boox-feel-good.jpg

slider-boox-feel-good.jpg

316 ms

ELLE-logo.png

ELLE-logo.png

213 ms

multi-device.svg

multi-device.svg

235 ms

step-1.svg

step-1.svg

383 ms

step-2.svg

step-2.svg

383 ms

step-3.svg

step-3.svg

460 ms

mockup-multi-device-big-screen.png

mockup-multi-device-big-screen.png

464 ms

mockup-multi-device.png

mockup-multi-device.png

492 ms

livres.png

livres.png

493 ms

livres.png

livres.png

568 ms

edito.png

edito.png

570 ms

personnaliser.png

personnaliser.png

645 ms

icon-previous-slider2.svg

icon-previous-slider2.svg

660 ms

icon-next-slider2.svg

icon-next-slider2.svg

667 ms

icon-check-on.svg

icon-check-on.svg

679 ms

icon-check-off.svg

icon-check-off.svg

753 ms

sticker-youboox.svg

sticker-youboox.svg

767 ms

icon-plus.svg

icon-plus.svg

833 ms

rfm.png

rfm.png

925 ms

nouvel-obs.png

nouvel-obs.png

856 ms

huff-post.png

huff-post.png

875 ms

m6.png

m6.png

945 ms

icon-twitter.png

icon-twitter.png

955 ms

icon-facebook.png

icon-facebook.png

1013 ms

icon-youtube.png

icon-youtube.png

1041 ms

picto-instagram.svg

picto-instagram.svg

1069 ms

picto-blog.svg

picto-blog.svg

1125 ms

dl-ios.png

dl-ios.png

1151 ms

dl-android.png

dl-android.png

1139 ms

pta.js

pta.js

599 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

1333 ms

analytics.js

analytics.js

25 ms

gtm.js

gtm.js

71 ms

hotjar-14964.js

hotjar-14964.js

196 ms

www-embed-player-vflQrT_sR.css

www-embed-player-vflQrT_sR.css

77 ms

www-embed-player.js

www-embed-player.js

150 ms

base.js

base.js

268 ms

toadOcfmlt9b38dHJxOBGLsbIrGiHa6JIepkyt5c0A0.ttf

toadOcfmlt9b38dHJxOBGLsbIrGiHa6JIepkyt5c0A0.ttf

93 ms

ODelI1aHBYDBqgeIAH2zlNzbP97U9sKh0jjxbPbfOKg.ttf

ODelI1aHBYDBqgeIAH2zlNzbP97U9sKh0jjxbPbfOKg.ttf

117 ms

toadOcfmlt9b38dHJxOBGMw1o1eFRj7wYC6JbISqOjY.ttf

toadOcfmlt9b38dHJxOBGMw1o1eFRj7wYC6JbISqOjY.ttf

172 ms

toadOcfmlt9b38dHJxOBGEMbjGELOEJD5J8DUmxkO-A.ttf

toadOcfmlt9b38dHJxOBGEMbjGELOEJD5J8DUmxkO-A.ttf

200 ms

0PM4qwfASmAB2sOtSkd0vQ.ttf

0PM4qwfASmAB2sOtSkd0vQ.ttf

179 ms

collect

collect

29 ms

collect

collect

152 ms

fbds.js

fbds.js

59 ms

243 ms

modules-1f5c71aea63f8df71401422ed80fbe5f.js

modules-1f5c71aea63f8df71401422ed80fbe5f.js

55 ms

ga-audiences

ga-audiences

145 ms

yrK4EqpSRdoujKQmsJoZ5WaLgeULvcWnibQMQSxOOnM.js

yrK4EqpSRdoujKQmsJoZ5WaLgeULvcWnibQMQSxOOnM.js

9 ms

ad_status.js

ad_status.js

40 ms

2UX7WLTfW3W8TclTUvlFyQ.woff

2UX7WLTfW3W8TclTUvlFyQ.woff

29 ms

RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff

RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff

29 ms

visit-data

visit-data

210 ms

63f3d030.js

63f3d030.js

871 ms

Accessibility Review

youboox.fr accessibility score

96

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

youboox.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

youboox.fr SEO score

84

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

    EN

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Youboox.fr can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed French language. Our system also found out that Youboox.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

youboox.fr

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