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cse.club screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

cse.club

Club Scientifique de l'ESI | CSE | We Are Creative Nerds

Page Load Speed

3.7 sec in total

First Response

294 ms

Resources Loaded

2.8 sec

Page Rendered

634 ms

cse.club screenshot

About Website

Welcome to cse.club homepage info - get ready to check CSE best content for Algeria right away, or after learning these important things about cse.club

The scientific club of ESI (CSE), is the oldest club in the Higher National School of Computer Science. Founded in 2008 by a group of ambitious students and it has made huge progress each year ever si...

Visit cse.club

Key Findings

We analyzed Cse.club page load time and found that the first response time was 294 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

cse.club performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value19,490 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value34.1 s

0/100

10%

Network Requests Diagram

cse.club

294 ms

cse.club

646 ms

en

146 ms

bootstrap.min.css

71 ms

main.css

101 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 83% of them (60 requests) were addressed to the original Cse.club, 3% (2 requests) were made to Stackpath.bootstrapcdn.com and 3% (2 requests) were made to Cdn.jsdelivr.net. The less responsive or slowest element that took the longest time to load (962 ms) belongs to the original domain Cse.club.

Page Optimization Overview & Recommendations

Page size can be reduced by 321.8 kB (15%)

Content Size

2.2 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cse.club main page is 2.2 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. 45% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 47.1 kB

  • Original 54.9 kB
  • After minification 35.4 kB
  • After compression 7.8 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 19.5 kB, which is 36% 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 47.1 kB or 86% of the original size.

Image Optimization

-14%

Potential reduce by 267.4 kB

  • Original 2.0 MB
  • After minification 1.7 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, CSE needs image optimization as it can save up to 267.4 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 788 B

  • Original 147.1 kB
  • After minification 146.7 kB
  • After compression 146.3 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

-35%

Potential reduce by 6.5 kB

  • Original 18.6 kB
  • After minification 17.6 kB
  • After compression 12.2 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. Cse.club needs all CSS files to be minified and compressed as it can save up to 6.5 kB or 35% of the original size.

Requests Breakdown

Number of requests can be reduced by 35 (52%)

Requests Now

67

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CSE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 20 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cse.club

cse.club

294 ms

cse.club

cse.club

646 ms

en

en

146 ms

bootstrap.min.css

bootstrap.min.css

71 ms

main.css

main.css

101 ms

normalize.css

normalize.css

200 ms

base.css

base.css

296 ms

footer.css

footer.css

297 ms

06a369e083.js

06a369e083.js

139 ms

hero.css

hero.css

294 ms

transition.css

transition.css

297 ms

anniversary.css

anniversary.css

307 ms

about.css

about.css

306 ms

events.css

events.css

392 ms

ourvision.css

ourvision.css

394 ms

faq.css

faq.css

395 ms

support.css

support.css

396 ms

projects.css

projects.css

408 ms

partners.css

partners.css

408 ms

aos.css

aos.css

78 ms

modernizr-3.8.0.min.js

modernizr-3.8.0.min.js

488 ms

jquery-3.5.1.slim.min.js

jquery-3.5.1.slim.min.js

62 ms

popper.min.js

popper.min.js

82 ms

bootstrap.min.js

bootstrap.min.js

77 ms

plugins.js

plugins.js

491 ms

main.js

main.js

491 ms

analytics.js

analytics.js

60 ms

jquery.min.js

jquery.min.js

61 ms

events.js

events.js

491 ms

faq.js

faq.js

506 ms

js

js

115 ms

init.js

init.js

508 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

104 ms

slider.js

slider.js

583 ms

up.js

up.js

589 ms

hero.js

hero.js

589 ms

button.css

button.css

301 ms

navbar.css

navbar.css

319 ms

up.css

up.css

321 ms

neuo-checkbox.css

neuo-checkbox.css

101 ms

mlh-logo-white.png

mlh-logo-white.png

78 ms

logoWhite.svg

logoWhite.svg

158 ms

Shelf.png

Shelf.png

215 ms

thing.svg

thing.svg

157 ms

LogoDzSec.png

LogoDzSec.png

216 ms

asusLogo.png

asusLogo.png

217 ms

divatechLogo.png

divatechLogo.png

214 ms

logo-capcowork.png

logo-capcowork.png

214 ms

yassir-logo.png

yassir-logo.png

215 ms

unnamed.png

unnamed.png

292 ms

esiwhitelogo.png

esiwhitelogo.png

296 ms

Microsoft.png

Microsoft.png

297 ms

GitHub%20White-01.png

GitHub%20White-01.png

393 ms

gi.png

gi.png

306 ms

Hack_it.png

Hack_it.png

305 ms

CSEShop.png

CSEShop.png

688 ms

1ESIWHITEPARTNER.png

1ESIWHITEPARTNER.png

390 ms

tresor_logo.png

tresor_logo.png

686 ms

tour.png

tour.png

408 ms

media.png

media.png

811 ms

communications.svg

communications.svg

488 ms

point-to.svg

point-to.svg

494 ms

cse-footer.png

cse-footer.png

509 ms

team1.png

team1.png

962 ms

team3.png

team3.png

773 ms

lol.png

lol.png

501 ms

Losange.png

Losange.png

603 ms

partner.png

partner.png

773 ms

cc.png

cc.png

674 ms

Gilroy-ExtraBold.otf

Gilroy-ExtraBold.otf

668 ms

Gilroy-Light.otf

Gilroy-Light.otf

734 ms

collect

collect

13 ms

Accessibility Review

cse.club accessibility score

74

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

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

cse.club best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

cse.club SEO score

77

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

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cse.club can be misinterpreted by Google and other search engines. Our service has detected that English 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 Cse.club 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

cse.club

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