Access exelib.net. Cours et Exercices Corrigés en Informatique

name

value

score

weighting

FCP (First Contentful Paint)

Value10.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value19.4 s

0/100

10%

TBT (Total Blocking Time)

Value3,990 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.318

36/100

15%

TTI (Time to Interactive)

Value21.0 s

1/100

10%

exelib.net

101 ms

www.exelib.net

1554 ms

sc_bootstrap.css

28 ms

common.css

41 ms

jquery-ui-1.9.2.css

2039 ms

Our browser made a total of 144 requests to load all elements on the main page. We found that 78% of them (112 requests) were addressed to the original Exelib.net, 8% (12 requests) were made to Googleads.g.doubleclick.net and 5% (7 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Exelib.net.

Content Size

1.4 MB

After Optimization

1.1 MB

In fact, the total size of Exelib.net 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 878.2 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 105.8 kB

Original 126.3 kB
After minification 119.8 kB
After compression 20.5 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 105.8 kB or 84% of the original size.

Image Optimization

-1%

Potential reduce by 2.1 kB

Original 255.4 kB
After minification 253.2 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. Exe Lib images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 139.2 kB

Original 878.2 kB
After minification 877.6 kB
After compression 739.1 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 139.2 kB or 16% of the original size.

CSS Optimization

-19%

Potential reduce by 21.0 kB

Original 108.9 kB
After minification 108.9 kB
After compression 87.9 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. Exelib.net needs all CSS files to be minified and compressed as it can save up to 21.0 kB or 19% of the original size.

Requests Now

141

After Optimization

The browser has sent 141 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Exe Lib. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 50 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.