Tools & Wizards About Us
derivee.cours-de-math.eu screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

derivee.cours-de-math.eu

Comment dériver une fonction: apprendre à calculer la dérivée d'une fonction

Page Load Speed

2.1 sec in total

First Response

361 ms

Resources Loaded

1.6 sec

Page Rendered

156 ms

derivee.cours-de-math.eu screenshot

About Website

Visit derivee.cours-de-math.eu now to see the best up-to-date Derivee Cours De Math content for Morocco and also check out these interesting facts you probably never knew about derivee.cours-de-math.eu

Comment calculer la dérivée d'une fonction mathématique: rappel des formules de dérivation, exemples de dérivées simples et des dizaines d'exercices corrigés pour apprendre comment dériver un fonction...

Visit derivee.cours-de-math.eu

Key Findings

We analyzed Derivee.cours-de-math.eu page load time and found that the first response time was 361 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

derivee.cours-de-math.eu performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value2,930 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.182

67/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

derivee.cours-de-math.eu

361 ms

style.css

353 ms

menusm.css

441 ms

skeleton.css

526 ms

layout.css

527 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 18% of them (9 requests) were addressed to the original Derivee.cours-de-math.eu, 68% (34 requests) were made to Cours-de-math.eu and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (783 ms) relates to the external source Cours-de-math.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 158.2 kB (48%)

Content Size

332.6 kB

After Optimization

174.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Derivee.cours-de-math.eu main page is 332.6 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. 25% of websites need less resources to load. Javascripts take 256.7 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 22.7 kB

  • Original 27.4 kB
  • After minification 22.6 kB
  • After compression 4.8 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. This page needs HTML code to be minified as it can gain 4.8 kB, which is 17% 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 22.7 kB or 83% of the original size.

Image Optimization

-21%

Potential reduce by 7.3 kB

  • Original 34.3 kB
  • After minification 27.1 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. Obviously, Derivee Cours De Math needs image optimization as it can save up to 7.3 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-47%

Potential reduce by 120.1 kB

  • Original 256.7 kB
  • After minification 232.4 kB
  • After compression 136.7 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 120.1 kB or 47% of the original size.

CSS Optimization

-58%

Potential reduce by 8.2 kB

  • Original 14.1 kB
  • After minification 8.0 kB
  • After compression 5.9 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. Derivee.cours-de-math.eu needs all CSS files to be minified and compressed as it can save up to 8.2 kB or 58% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (50%)

Requests Now

42

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Derivee Cours De Math. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

derivee.cours-de-math.eu

derivee.cours-de-math.eu

361 ms

style.css

style.css

353 ms

menusm.css

menusm.css

441 ms

skeleton.css

skeleton.css

526 ms

layout.css

layout.css

527 ms

jquery.min.js

jquery.min.js

693 ms

menusm.js

menusm.js

525 ms

prettyPhoto.css

prettyPhoto.css

524 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

610 ms

preloader.css

preloader.css

611 ms

jquery.preloader.js

jquery.preloader.js

613 ms

ui.totop.css

ui.totop.css

612 ms

jquery.ui.totop.js

jquery.ui.totop.js

613 ms

jquery.tweet.css

jquery.tweet.css

709 ms

jquery.tweet.js

jquery.tweet.js

710 ms

scripts.js

scripts.js

710 ms

head_html_default_block.js

head_html_default_block.js

708 ms

head_html_block.js

head_html_block.js

711 ms

tinynav.min.js

tinynav.min.js

780 ms

brand

brand

20 ms

menu_html_block.js

menu_html_block.js

783 ms

adsbygoogle.js

adsbygoogle.js

152 ms

brandjs.js

brandjs.js

24 ms

css

css

28 ms

colorpicker.css

colorpicker.css

88 ms

box-setting.css

box-setting.css

172 ms

jquery.cookies.2.2.0.min.js

jquery.cookies.2.2.0.min.js

172 ms

get_img.js

get_img.js

173 ms

bg_88.png

bg_88.png

92 ms

main_bg.png

main_bg.png

92 ms

columns_bg1.png

columns_bg1.png

91 ms

header_bg.png

header_bg.png

93 ms

logo_bg.png

logo_bg.png

92 ms

search_btn.png

search_btn.png

89 ms

spacer.gif

spacer.gif

191 ms

cours-de-math.gif

cours-de-math.gif

190 ms

formule-derivee.gif

formule-derivee.gif

93 ms

kln.gif

kln.gif

92 ms

a.gif

a.gif

93 ms

search_bg.png

search_bg.png

165 ms

menu_bottom.png

menu_bottom.png

165 ms

2sDfZG1Wl4LcnbuKjk0g.woff

2sDfZG1Wl4LcnbuKjk0g.woff

13 ms

sidebar_bg.png

sidebar_bg.png

154 ms

sep.png

sep.png

153 ms

social-01.png

social-01.png

171 ms

social-02.png

social-02.png

170 ms

ga.js

ga.js

13 ms

preloader-gallery.gif

preloader-gallery.gif

88 ms

ui.totop.png

ui.totop.png

89 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

derivee.cours-de-math.eu accessibility score

58

Accessibility Issues

Internationalization and localization

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

Impact

Issue

High

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

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

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

derivee.cours-de-math.eu best practices score

50

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

derivee.cours-de-math.eu SEO score

90

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

Image elements do not have [alt] attributes

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 Derivee.cours-de-math.eu 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 Derivee.cours-de-math.eu 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

derivee.cours-de-math.eu

Open Graph description is not detected on the main page of Derivee Cours De Math. 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: