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Report Summary

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    Performance

  • 0

    Accessibility

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    Best Practices

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    SEO

cerist.dz

CERIST (Centre de Recherche sur l'Information Scientifique et Technique ) - CERIST

Page Load Speed

6.2 sec in total

First Response

438 ms

Resources Loaded

5.6 sec

Page Rendered

106 ms

cerist.dz screenshot

About Website

Welcome to cerist.dz homepage info - get ready to check CERIST best content for Algeria right away, or after learning these important things about cerist.dz

Centre de Recherche sur l'Information Scientifique et Technique

Visit cerist.dz

Key Findings

We analyzed Cerist.dz page load time and found that the first response time was 438 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

cerist.dz performance score

0

Network Requests Diagram

cerist.dz

438 ms

www.cerist.dz

425 ms

364 ms

template.css

277 ms

rssocial.css

418 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 91% of them (48 requests) were addressed to the original Cerist.dz, 4% (2 requests) were made to Fonts.googleapis.com and 2% (1 request) were made to Platform.tumblr.com. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Cerist.dz.

Page Optimization Overview & Recommendations

Page size can be reduced by 177.0 kB (16%)

Content Size

1.1 MB

After Optimization

907.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cerist.dz main page is 1.1 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. 35% of websites need less resources to load. Images take 880.6 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 92.9 kB

  • Original 111.8 kB
  • After minification 107.0 kB
  • After compression 18.9 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 92.9 kB or 83% of the original size.

Image Optimization

-8%

Potential reduce by 70.3 kB

  • Original 880.6 kB
  • After minification 810.3 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. CERIST images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 8.6 kB

  • Original 66.6 kB
  • After minification 66.6 kB
  • After compression 58.0 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 8.6 kB or 13% of the original size.

CSS Optimization

-20%

Potential reduce by 5.1 kB

  • Original 25.2 kB
  • After minification 25.2 kB
  • After compression 20.1 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. Cerist.dz needs all CSS files to be minified and compressed as it can save up to 5.1 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (67%)

Requests Now

48

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CERIST. 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 17 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cerist.dz

cerist.dz

438 ms

www.cerist.dz

www.cerist.dz

425 ms

364 ms

template.css

template.css

277 ms

rssocial.css

rssocial.css

418 ms

rssocial-anim.css

rssocial-anim.css

421 ms

rssocial-font.css

rssocial-font.css

423 ms

btcontentslider.css

btcontentslider.css

435 ms

mod_jmslideshow_default.css

mod_jmslideshow_default.css

442 ms

jquery.min.js

jquery.min.js

602 ms

jquery-noconflict.js

jquery-noconflict.js

556 ms

jquery-migrate.min.js

jquery-migrate.min.js

562 ms

behaviour.min.js

behaviour.min.js

565 ms

caption.js

caption.js

579 ms

rssocial.js

rssocial.js

588 ms

share.js

share.js

14 ms

jquery-migrate.js

jquery-migrate.js

696 ms

jquery-noconflict.js

jquery-noconflict.js

702 ms

slides.js

slides.js

893 ms

default.js

default.js

724 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

736 ms

system.css

system.css

751 ms

general.css

general.css

835 ms

default.css

default.css

842 ms

template.css

template.css

870 ms

mobile.css

mobile.css

901 ms

jquery.cycle2.js

jquery.cycle2.js

976 ms

jquery.cycle2.swipe.js

jquery.cycle2.swipe.js

983 ms

responsive.js

responsive.js

1015 ms

ios6fix.js

ios6fix.js

1031 ms

styles.css

styles.css

903 ms

demo.css

demo.css

920 ms

component.css

component.css

985 ms

css

css

21 ms

jquery-latest.pack.js

jquery-latest.pack.js

6 ms

system.css

system.css

269 ms

logo.png

logo.png

293 ms

654x279_fill_cerinux2.jpg

654x279_fill_cerinux2.jpg

2008 ms

654x279_fill_pnci.jpg

654x279_fill_pnci.jpg

2752 ms

654x279_fill_ceristDL.jpg

654x279_fill_ceristDL.jpg

450 ms

654x279_fill_WEB_TV2.jpg

654x279_fill_WEB_TV2.jpg

434 ms

654x279_fill_sndl.jpg

654x279_fill_sndl.jpg

449 ms

654x279_fill_2007_transformers_014_1.jpg

654x279_fill_2007_transformers_014_1.jpg

415 ms

654x279_fill_ARN_lo_1.jpg

654x279_fill_ARN_lo_1.jpg

693 ms

654x279_fill_ao4.jpg

654x279_fill_ao4.jpg

723 ms

654x279_fill_TVD_TR_02183_2.jpg

654x279_fill_TVD_TR_02183_2.jpg

744 ms

control_button.png

control_button.png

584 ms

css

css

21 ms

tab_bg.jpg

tab_bg.jpg

710 ms

228 ms

arrows.png

arrows.png

142 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

7 ms

rssocial-font.woff

rssocial-font.woff

150 ms

SEO Factors

cerist.dz SEO score

0

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 Cerist.dz 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 Cerist.dz 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

cerist.dz

Open Graph description is not detected on the main page of CERIST. 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: