Tools & Wizards About Us
hachettebnf.fr screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

hachettebnf.fr

Hachette BNF | Le patrimoine à portée de main | Hachette BNF

Page Load Speed

2.5 sec in total

First Response

268 ms

Resources Loaded

1.9 sec

Page Rendered

306 ms

hachettebnf.fr screenshot

About Website

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

La marque Hachette BnF est née d'un partenariat entre Hachette Livre et la BnF. Elle propose un catalogue de plus de 270 000 titres issus du fond

Visit hachettebnf.fr

Key Findings

We analyzed Hachettebnf.fr page load time and found that the first response time was 268 ms and then it took 2.3 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

hachettebnf.fr performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

4/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value1,420 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.036

100/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

hachettebnf.fr

268 ms

www.hachettebnf.fr

335 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

85 ms

css_0_KYL24ZFbw2f7LbtKfXhnOyQoZOKYWHiXsWj2DCPK8.css

166 ms

css_GKADtmwHVpEe8iUMih-jsOBSgdFBOpS8qZsOZmEshzo.css

168 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 68% of them (41 requests) were addressed to the original Hachettebnf.fr, 3% (2 requests) were made to Assets.pinterest.com and 3% (2 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (915 ms) belongs to the original domain Hachettebnf.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 935.3 kB (49%)

Content Size

1.9 MB

After Optimization

981.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hachettebnf.fr main page is 1.9 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. Images take 744.2 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 99.2 kB

  • Original 127.0 kB
  • After minification 125.3 kB
  • After compression 27.8 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 99.2 kB or 78% of the original size.

Image Optimization

-3%

Potential reduce by 23.5 kB

  • Original 744.2 kB
  • After minification 720.7 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. Hachette BNF images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 403.1 kB

  • Original 567.7 kB
  • After minification 499.3 kB
  • After compression 164.6 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 403.1 kB or 71% of the original size.

CSS Optimization

-86%

Potential reduce by 409.5 kB

  • Original 477.9 kB
  • After minification 473.9 kB
  • After compression 68.4 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. Hachettebnf.fr needs all CSS files to be minified and compressed as it can save up to 409.5 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (47%)

Requests Now

55

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hachette BNF. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

hachettebnf.fr

hachettebnf.fr

268 ms

www.hachettebnf.fr

www.hachettebnf.fr

335 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

85 ms

css_0_KYL24ZFbw2f7LbtKfXhnOyQoZOKYWHiXsWj2DCPK8.css

css_0_KYL24ZFbw2f7LbtKfXhnOyQoZOKYWHiXsWj2DCPK8.css

166 ms

css_GKADtmwHVpEe8iUMih-jsOBSgdFBOpS8qZsOZmEshzo.css

css_GKADtmwHVpEe8iUMih-jsOBSgdFBOpS8qZsOZmEshzo.css

168 ms

css_-hItoF0GNdM1rgvKJ29G9HmWmInez2P6owReBVzkKNY.css

css_-hItoF0GNdM1rgvKJ29G9HmWmInez2P6owReBVzkKNY.css

170 ms

css_pynH0nwGD-3se_-22XByhFX_YBHK67fBg-VUcIywNDw.css

css_pynH0nwGD-3se_-22XByhFX_YBHK67fBg-VUcIywNDw.css

171 ms

css_YDhL31ifogT5O65F66BI0bb50js1tDBMEq9uzPGNbBg.css

css_YDhL31ifogT5O65F66BI0bb50js1tDBMEq9uzPGNbBg.css

173 ms

js_UWQINlriydSoeSiGQxToOUdv493zEa7dpsXC1OtYlZU.js

js_UWQINlriydSoeSiGQxToOUdv493zEa7dpsXC1OtYlZU.js

249 ms

js_IegGYiL6FeGNX2GRWOjTkxzblcdE5seeOq3Cq-v37fI.js

js_IegGYiL6FeGNX2GRWOjTkxzblcdE5seeOq3Cq-v37fI.js

247 ms

js_OGvDVcq3ane1fzidTr-jxsc_v6DjXT_-6xV8xiFnSuo.js

js_OGvDVcq3ane1fzidTr-jxsc_v6DjXT_-6xV8xiFnSuo.js

408 ms

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js_x7-S9pBoxpiJXWtECXE-qO1_BPXkugMTbo6MQlJOAlc.js

263 ms

pinit.js

pinit.js

6 ms

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244 ms

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158 ms

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157 ms

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273 ms

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514 ms

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271 ms

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185 ms

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272 ms

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411 ms

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272 ms

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416 ms

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412 ms

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413 ms

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414 ms

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915 ms

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436 ms

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437 ms

gtm.js

gtm.js

48 ms

all.js

all.js

283 ms

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387 ms

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439 ms

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468 ms

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467 ms

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468 ms

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520 ms

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543 ms

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548 ms

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548 ms

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549 ms

plusone.js

plusone.js

130 ms

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89 ms

controls.png

controls.png

504 ms

analytics.js

analytics.js

11 ms

pinit_main.js

pinit_main.js

26 ms

collect

collect

32 ms

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cb=gapi.loaded_0

12 ms

collect

collect

61 ms

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95 ms

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113 ms

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395 ms

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58 ms

ad_status.js

ad_status.js

76 ms

123 ms

xd_arbiter.php

xd_arbiter.php

222 ms

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426 ms

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40 ms

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44 ms

Accessibility Review

hachettebnf.fr accessibility score

87

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

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

Best Practices

hachettebnf.fr best practices score

58

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

hachettebnf.fr SEO score

64

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

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 Hachettebnf.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 Hachettebnf.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

hachettebnf.fr

Open Graph description is not detected on the main page of Hachette BNF. 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: