Tools & Wizards About Us
drolesdemaths.org screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

drolesdemaths.org

Concours Drôles de Maths !

Page Load Speed

1.4 sec in total

First Response

374 ms

Resources Loaded

924 ms

Page Rendered

119 ms

drolesdemaths.org screenshot

About Website

Welcome to drolesdemaths.org homepage info - get ready to check Droles De Maths best content for France right away, or after learning these important things about drolesdemaths.org

Le Concours Drôles de Maths est le premier concours de logique et de mathématiques Scolidaire. Chaque année, il fédère plusieurs dizaines de milliers d'élèves dans les collèges et lycée autour de math...

Visit drolesdemaths.org

Key Findings

We analyzed Drolesdemaths.org page load time and found that the first response time was 374 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

drolesdemaths.org performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value1.9 s

98/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value1.9 s

100/100

10%

Network Requests Diagram

drolesdemaths.org

374 ms

bootstrap.min.css

173 ms

style.css

179 ms

bootstrap-theme.css

181 ms

D2M_logo_deca_22.png

349 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 86% of them (12 requests) were addressed to the original Drolesdemaths.org, 14% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (549 ms) belongs to the original domain Drolesdemaths.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 81.4 kB (15%)

Content Size

554.1 kB

After Optimization

472.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Drolesdemaths.org main page is 554.1 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. Images take 503.6 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 4.3 kB

  • Original 6.0 kB
  • After minification 4.5 kB
  • After compression 1.6 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 1.4 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 4.3 kB or 73% of the original size.

Image Optimization

-15%

Potential reduce by 74.7 kB

  • Original 503.6 kB
  • After minification 428.9 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. Obviously, Droles De Maths needs image optimization as it can save up to 74.7 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 34 B

  • Original 17.2 kB
  • After minification 17.2 kB
  • After compression 17.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-9%

Potential reduce by 2.4 kB

  • Original 27.4 kB
  • After minification 27.4 kB
  • After compression 25.0 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. Drolesdemaths.org has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Droles De Maths. According to our analytics all requests are already optimized.

Network Requests Diagram

drolesdemaths.org

drolesdemaths.org

374 ms

bootstrap.min.css

bootstrap.min.css

173 ms

style.css

style.css

179 ms

bootstrap-theme.css

bootstrap-theme.css

181 ms

D2M_logo_deca_22.png

D2M_logo_deca_22.png

349 ms

AS_logo.png

AS_logo.png

271 ms

visual_21.png

visual_21.png

549 ms

LEDS_logo.png

LEDS_logo.png

258 ms

ED2_logo_fond.png

ED2_logo_fond.png

342 ms

ESC_logo.png

ESC_logo.png

430 ms

DM_logo.png

DM_logo.png

427 ms

MC_logo.png

MC_logo.png

362 ms

ga.js

ga.js

7 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

drolesdemaths.org accessibility score

62

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

drolesdemaths.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

SEO Factors

drolesdemaths.org SEO score

62

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

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Drolesdemaths.org 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 Drolesdemaths.org main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

drolesdemaths.org

Open Graph description is not detected on the main page of Droles De Maths. 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: