Tools & Wizards About Us
devoir.tn screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

devoir.tn

≡

Page Load Speed

5.1 sec in total

First Response

328 ms

Resources Loaded

4.4 sec

Page Rendered

353 ms

devoir.tn screenshot

About Website

Welcome to devoir.tn homepage info - get ready to check Devoir best content for Tunisia right away, or after learning these important things about devoir.tn

Devoir.TN ➔ Aide aux devoirs | devoirs corrigés : École Collège Lycée BAC Tunisie .tn encysco devoirat Corrigés ( avec correction ) Séries Exercices Cours | الموسوعة المدرسية | 1ème 2ème 3ème 4ème 5èm...

Visit devoir.tn

Key Findings

We analyzed Devoir.tn page load time and found that the first response time was 328 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

devoir.tn performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value18.7 s

0/100

10%

TBT (Total Blocking Time)

Value8,810 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value33.6 s

0/100

10%

Network Requests Diagram

devoir.tn

328 ms

www.devoir.tn

562 ms

app.css

192 ms

update.css

152 ms

app_files.css

174 ms

Our browser made a total of 159 requests to load all elements on the main page. We found that 25% of them (40 requests) were addressed to the original Devoir.tn, 10% (16 requests) were made to Lh3.googleusercontent.com and 9% (15 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Tadris.tn.

Page Optimization Overview & Recommendations

Page size can be reduced by 911.8 kB (26%)

Content Size

3.5 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Devoir.tn main page is 3.5 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. Only a small number of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 300.5 kB

  • Original 348.9 kB
  • After minification 292.1 kB
  • After compression 48.4 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 56.7 kB, which is 16% 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 300.5 kB or 86% of the original size.

Image Optimization

-33%

Potential reduce by 584.1 kB

  • Original 1.8 MB
  • After minification 1.2 MB

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, Devoir needs image optimization as it can save up to 584.1 kB or 33% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 23.7 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 1.1 MB

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

-2%

Potential reduce by 3.6 kB

  • Original 207.0 kB
  • After minification 207.0 kB
  • After compression 203.4 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. Devoir.tn has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 86 (61%)

Requests Now

142

After Optimization

56

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 142 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Devoir. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 56 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

devoir.tn

devoir.tn

328 ms

www.devoir.tn

www.devoir.tn

562 ms

app.css

app.css

192 ms

update.css

update.css

152 ms

app_files.css

app_files.css

174 ms

icons.min.css

icons.min.css

182 ms

material-design-iconic-font.min.css

material-design-iconic-font.min.css

162 ms

jquery-3.3.1.min.js

jquery-3.3.1.min.js

187 ms

framework.js

framework.js

281 ms

js

js

84 ms

adsbygoogle.js

adsbygoogle.js

165 ms

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platform.js

49 ms

lazyload.min.js

lazyload.min.js

58 ms

simplebar.js

simplebar.js

246 ms

main.js

main.js

265 ms

select2.full.min.js

select2.full.min.js

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OneSignalSDK.js

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logo-512-512-tadris.jpg

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fbuser.png

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profile.png

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1.jpg

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unicons.woff

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base.js

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ads

ads

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1173 ms

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1250 ms

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1160 ms

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1172 ms

ACg8ocLq0FXkTcxCIWjGHZ9p2FJQooDppMhnA3vqTOxPBVIvCWOMoA=s96-c

ACg8ocLq0FXkTcxCIWjGHZ9p2FJQooDppMhnA3vqTOxPBVIvCWOMoA=s96-c

1317 ms

ads

ads

967 ms

settings

settings

708 ms

www-subscribe-embed_split_v0.css

www-subscribe-embed_split_v0.css

90 ms

www-subscribe-embed_v0.js

www-subscribe-embed_v0.js

96 ms

postmessageRelay

postmessageRelay

391 ms

1997363100466735

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425 ms

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id

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border_3.gif

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spacer.gif

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bubbleSprite_3.png

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bubbleDropR_3.png

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bubbleDropB_3.png

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Create

Create

301 ms

Create

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405 ms

button.856debeac157d9669cf51e73a08fbc93.js

button.856debeac157d9669cf51e73a08fbc93.js

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cb=gapi.loaded_0

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reactive_library.js

reactive_library.js

395 ms

ca-pub-4076685978279804

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pixel

pixel

238 ms

dv3.js

dv3.js

239 ms

dcmads.js

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249 ms

window_focus.js

window_focus.js

327 ms

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ufs_web_display.js

ufs_web_display.js

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embeds

embeds

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tweet_button.2f70fb173b9000da126c79afe2098f02.fr.html

tweet_button.2f70fb173b9000da126c79afe2098f02.fr.html

178 ms

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pixel

251 ms

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ad

ad

223 ms

GenerateIT

GenerateIT

169 ms

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abg_lite.js

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172 ms

impl_v101.js

impl_v101.js

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load_preloaded_resource.js

load_preloaded_resource.js

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s

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fullscreen_api_adapter.js

fullscreen_api_adapter.js

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interstitial_ad_frame.js

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rum

rum

241 ms

62bHydCX.html

62bHydCX.html

82 ms

bounce

bounce

44 ms

pixel

pixel

44 ms

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57 ms

css

css

75 ms

pixel

pixel

22 ms

rum

rum

44 ms

mSjjkhB1L59TV46DoVAaQ_9pMO7PZIKzyhBy6zc7xu8.js

mSjjkhB1L59TV46DoVAaQ_9pMO7PZIKzyhBy6zc7xu8.js

9 ms

skeleton.js

skeleton.js

107 ms

ufs_web_display.js

ufs_web_display.js

41 ms

omrhp.js

omrhp.js

40 ms

activeview

activeview

92 ms

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrw2IJllpyw.ttf

75 ms

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4Ua_rENHsxJlGDuGo1OIlJfC6l_24rlCK1Yo_Iqcsih3SAyH6cAwhX9RFD48TE63OOYKtrwEIJllpyw.ttf

82 ms

activeview

activeview

67 ms

firstevent

firstevent

50 ms

Accessibility Review

devoir.tn accessibility score

91

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.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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

devoir.tn best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

devoir.tn SEO score

93

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

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

Language and Encoding

  • Language Detected

    AR

  • Language Claimed

    FR

  • Encoding

    UTF-8

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

devoir.tn

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