Tools & Wizards About Us
biblio.enp.edu.dz screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

biblio.enp.edu.dz

Page Load Speed

24.7 sec in total

First Response

10.5 sec

Resources Loaded

14 sec

Page Rendered

289 ms

biblio.enp.edu.dz screenshot

About Website

Visit biblio.enp.edu.dz now to see the best up-to-date Biblio Enp content for Algeria and also check out these interesting facts you probably never knew about biblio.enp.edu.dz

Ecole Nationale Polytechnique ingénierie

Visit biblio.enp.edu.dz

Key Findings

We analyzed Biblio.enp.edu.dz page load time and found that the first response time was 10.5 sec and then it took 14.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

biblio.enp.edu.dz performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value11.9 s

16/100

10%

Network Requests Diagram

biblio.enp.edu.dz

10489 ms

k2.css

154 ms

system.css

286 ms

position.css

292 ms

layout.css

290 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 97% of them (63 requests) were addressed to the original Biblio.enp.edu.dz, 2% (1 request) were made to Fonts.googleapis.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (10.5 sec) belongs to the original domain Biblio.enp.edu.dz.

Page Optimization Overview & Recommendations

Page size can be reduced by 953.6 kB (24%)

Content Size

4.0 MB

After Optimization

3.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Biblio.enp.edu.dz main page is 4.0 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. 25% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 44.0 kB

  • Original 50.2 kB
  • After minification 45.6 kB
  • After compression 6.2 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 44.0 kB or 88% of the original size.

Image Optimization

-7%

Potential reduce by 215.3 kB

  • Original 3.1 MB
  • After minification 2.8 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. Biblio Enp images are well optimized though.

JavaScript Optimization

-66%

Potential reduce by 373.2 kB

  • Original 562.2 kB
  • After minification 548.5 kB
  • After compression 189.0 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 373.2 kB or 66% of the original size.

CSS Optimization

-86%

Potential reduce by 321.2 kB

  • Original 372.6 kB
  • After minification 247.5 kB
  • After compression 51.4 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. Biblio.enp.edu.dz needs all CSS files to be minified and compressed as it can save up to 321.2 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (53%)

Requests Now

57

After Optimization

27

  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Biblio Enp. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

biblio.enp.edu.dz

biblio.enp.edu.dz

10489 ms

k2.css

k2.css

154 ms

system.css

system.css

286 ms

position.css

position.css

292 ms

layout.css

layout.css

290 ms

general.css

general.css

293 ms

nature.css

nature.css

298 ms

modal.css

modal.css

303 ms

camera.css

camera.css

426 ms

css

css

30 ms

mootools-core.js

mootools-core.js

577 ms

core.js

core.js

433 ms

jquery.min.js

jquery.min.js

13 ms

k2.js

k2.js

437 ms

caption.js

caption.js

454 ms

mootools-more.js

mootools-more.js

758 ms

md_stylechanger.js

md_stylechanger.js

568 ms

hide.js

hide.js

579 ms

modal.js

modal.js

582 ms

jquery.min.js

jquery.min.js

756 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

713 ms

jquery.mobile.customized.min.js

jquery.mobile.customized.min.js

720 ms

camera.min.js

camera.min.js

723 ms

system.css

system.css

446 ms

header_outer.gif

header_outer.gif

152 ms

header.jpg

header.jpg

143 ms

bar.jpg

bar.jpg

145 ms

navhoriz.png

navhoriz.png

150 ms

TitilliumMaps29L002.otf

TitilliumMaps29L002.otf

292 ms

box1.png

box1.png

147 ms

printButton.png

printButton.png

263 ms

emailButton.png

emailButton.png

265 ms

karo.gif

karo.gif

275 ms

headingback.png

headingback.png

164 ms

footer_bg.png

footer_bg.png

183 ms

camera_skins.png

camera_skins.png

436 ms

camera-loader.gif

camera-loader.gif

298 ms

11.png

11.png

466 ms

getimage%201.png

getimage%201.png

318 ms

getimage%201_th.png

getimage%201_th.png

326 ms

getimage%202_th.png

getimage%202_th.png

329 ms

getimage%203_th.png

getimage%203_th.png

445 ms

getimage%205_th.png

getimage%205_th.png

479 ms

getimage_th.png

getimage_th.png

480 ms

01.jpg

01.jpg

1391 ms

01_th.jpg

01_th.jpg

580 ms

02_th.jpg

02_th.jpg

589 ms

03_th.jpg

03_th.jpg

616 ms

04_th.jpg

04_th.jpg

622 ms

05_th.jpg

05_th.jpg

616 ms

06_th.jpg

06_th.jpg

724 ms

2009w.gif

2009w.gif

879 ms

catalogue1.JPG

catalogue1.JPG

772 ms

CCDZ.jpg

CCDZ.jpg

763 ms

CCDZ_th.jpg

CCDZ_th.jpg

776 ms

BiblioUniv_th.jpg

BiblioUniv_th.jpg

868 ms

SNDL_th.jpg

SNDL_th.jpg

911 ms

PNST_th.jpg

PNST_th.jpg

922 ms

liens%20utiles1.jpg

liens%20utiles1.jpg

952 ms

ENP%20FOTO%20063.jpg

ENP%20FOTO%20063.jpg

998 ms

BiblioUniv.jpg

BiblioUniv.jpg

295 ms

catalogue2.JPG

catalogue2.JPG

298 ms

blank.gif

blank.gif

153 ms

02.jpg

02.jpg

964 ms

print.css

print.css

155 ms

Accessibility Review

biblio.enp.edu.dz accessibility score

88

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

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

biblio.enp.edu.dz best practices score

58

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

biblio.enp.edu.dz SEO score

81

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

High

Tap targets are not sized appropriately

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 Biblio.enp.edu.dz 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 Biblio.enp.edu.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

biblio.enp.edu.dz

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