Access expert-sup.com. expert-sup.com (Dunod) : le site des étudiants et des enseignants en expertise comptable

name

value

score

weighting

FCP (First Contentful Paint)

Value9.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.1 s

0/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.762

5/100

15%

TTI (Time to Interactive)

Value14.1 s

10/100

10%

expert-sup.com

215 ms

expert-sup.com

357 ms

www.expert-sup.com

554 ms

didomi-sdk.js

84 ms

all.css

56 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 82% of them (74 requests) were addressed to the original Expert-sup.com, 8% (7 requests) were made to Fonts.gstatic.com and 4% (4 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Expert-sup.com.

Content Size

1.4 MB

After Optimization

1.1 MB

In fact, the total size of Expert-sup.com main page is 1.4 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. 55% of websites need less resources to load. Images take 750.4 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 135.8 kB

Original 157.8 kB
After minification 150.0 kB
After compression 21.9 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 135.8 kB or 86% of the original size.

Image Optimization

-7%

Potential reduce by 51.5 kB

Original 750.4 kB
After minification 698.9 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. Expert Sup images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 95.7 kB

Original 408.3 kB
After minification 402.7 kB
After compression 312.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 95.7 kB or 23% of the original size.

CSS Optimization

-10%

Potential reduce by 7.2 kB

Original 71.2 kB
After minification 71.2 kB
After compression 64.0 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. Expert-sup.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Expert Sup. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 35 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

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

High

ARIA IDs are not unique

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Form elements do not have associated labels

High

Links do not have a discernible name

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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/).

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

FR
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Expert-sup.com can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Expert-sup.com 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

expert-sup.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

expert-sup.com (Dunod) : le site des étudiants et des enseignants en expertise comptable

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

expert-sup.com

expert-sup.com

www.expert-sup.com

didomi-sdk.js

all.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

expert-sup.com

expert-sup.com

www.expert-sup.com

didomi-sdk.js

all.css

css

styles.css

jquery-ui.css

didomi-styles.css

colorbox.css

jquery-ui.css

colorbox.css

menu_anime.css

image_responsive.css

typo_guillemets.css

html5_controls.css

jquery.js

jquery-migrate-3.0.1.js

jquery.form.js

jquery.autosave.js

jquery.placeholder-label.js

ajaxCallback.js

js.cookie.js

jquery.cookie.js

jquery-ui.js

jquery.mousewheel.js

flowplayer-3.2.12.min.js

mediaspip_player.js

mediaspip_fallback_flash.js

jquery.colorbox.js

spip.mediabox.js

menu_anime.js

spip_out_ouvrants.js

rAF.js

jquery.smartresize.js

image_responsive.js

picturefill.js

jsdyn-mediaspip_player_lang_js-a0552822.js

jquery-ui.min.js

bootstrap.bundle.min.js

addthis_widget.js

modernizr.custom.js

loader.js