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sen.enst.fr screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

sen.enst.fr

L'électronique numérique à Télécom ParisTech | Site pédagogique / Systèmes électroniques numériques

Page Load Speed

2.6 sec in total

First Response

506 ms

Resources Loaded

2 sec

Page Rendered

144 ms

sen.enst.fr screenshot

About Website

Visit sen.enst.fr now to see the best up-to-date Sen Enst content for Algeria and also check out these interesting facts you probably never knew about sen.enst.fr

Visit sen.enst.fr

Key Findings

We analyzed Sen.enst.fr page load time and found that the first response time was 506 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

sen.enst.fr performance score

0

Network Requests Diagram

sen.enst.fr

506 ms

sen.enst.fr

620 ms

css_G8UiL8W4VsmbxQlCce0YboItibPU3Yh891VRMDWtZns.css

83 ms

css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css

167 ms

css_dmi8aoc53XYeuHIT-PdtTecCFtcCgQVX6BP5jzR4l1Q.css

242 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that all of those requests were addressed to Sen.enst.fr and no external sources were called. The less responsive or slowest element that took the longest time to load (620 ms) belongs to the original domain Sen.enst.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 268.1 kB (52%)

Content Size

513.4 kB

After Optimization

245.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sen.enst.fr main page is 513.4 kB. 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. Javascripts take 230.1 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 19.5 kB

  • Original 26.3 kB
  • After minification 24.7 kB
  • After compression 6.7 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 19.5 kB or 74% of the original size.

Image Optimization

-2%

Potential reduce by 3.7 kB

  • Original 168.7 kB
  • After minification 165.0 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. Sen Enst images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 174.0 kB

  • Original 230.1 kB
  • After minification 180.9 kB
  • After compression 56.1 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 174.0 kB or 76% of the original size.

CSS Optimization

-80%

Potential reduce by 70.8 kB

  • Original 88.4 kB
  • After minification 78.1 kB
  • After compression 17.6 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. Sen.enst.fr needs all CSS files to be minified and compressed as it can save up to 70.8 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (69%)

Requests Now

26

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sen Enst. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

sen.enst.fr

sen.enst.fr

506 ms

sen.enst.fr

sen.enst.fr

620 ms

css_G8UiL8W4VsmbxQlCce0YboItibPU3Yh891VRMDWtZns.css

css_G8UiL8W4VsmbxQlCce0YboItibPU3Yh891VRMDWtZns.css

83 ms

css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css

css_vZ_wrMQ9Og-YPPxa1q4us3N7DsZMJa-14jShHgRoRNo.css

167 ms

css_dmi8aoc53XYeuHIT-PdtTecCFtcCgQVX6BP5jzR4l1Q.css

css_dmi8aoc53XYeuHIT-PdtTecCFtcCgQVX6BP5jzR4l1Q.css

242 ms

css_DLvYcpkAZsM9z73NxfzkmKzi34vmt6PM13VczsiaW0k.css

css_DLvYcpkAZsM9z73NxfzkmKzi34vmt6PM13VczsiaW0k.css

244 ms

css_q2MeXR9VGEjwinLWuVWbXGydkRad9mEStvNvU3jAKW8.css

css_q2MeXR9VGEjwinLWuVWbXGydkRad9mEStvNvU3jAKW8.css

248 ms

css_aMSMfAYmSsik9rluCtDSdXKDJFdsMGguArgkf29Mj_o.css

css_aMSMfAYmSsik9rluCtDSdXKDJFdsMGguArgkf29Mj_o.css

257 ms

css_jcW0qi13kX-uFP6GRSShQUu8ZHnx6LnDu4PlkBLxz2k.css

css_jcW0qi13kX-uFP6GRSShQUu8ZHnx6LnDu4PlkBLxz2k.css

255 ms

css_qpLXVIPpy3S3sxQ9H3VtSHsOmOGC_FCzCSnzb_EQGqE.css

css_qpLXVIPpy3S3sxQ9H3VtSHsOmOGC_FCzCSnzb_EQGqE.css

258 ms

js_jpJjaUC0z8JMIyav5oQrYykDRUb64rpaUDpB4Y9aklU.js

js_jpJjaUC0z8JMIyav5oQrYykDRUb64rpaUDpB4Y9aklU.js

399 ms

js_obFUyTbqtcoGQtszVI46l1_oD927PzlDtlr_ilpYBqE.js

js_obFUyTbqtcoGQtszVI46l1_oD927PzlDtlr_ilpYBqE.js

322 ms

js_Fsy5-n5btjLZ2zZ_nXtZwVksLyxMDs0sdnCEcJLlUQs.js

js_Fsy5-n5btjLZ2zZ_nXtZwVksLyxMDs0sdnCEcJLlUQs.js

411 ms

js_KQzCWqzUFJFwhbD5wWkwdAo78cNxrwGWYSVCFgD2lbg.js

js_KQzCWqzUFJFwhbD5wWkwdAo78cNxrwGWYSVCFgD2lbg.js

326 ms

js_uskuw6H89bN2UlKJbWyE-hLb7hzI5lgtF-p2Gqf0p-A.js

js_uskuw6H89bN2UlKJbWyE-hLb7hzI5lgtF-p2Gqf0p-A.js

327 ms

body-bg.gif

body-bg.gif

86 ms

mainnav-bg.png

mainnav-bg.png

81 ms

bg-nav-active-l.png

bg-nav-active-l.png

82 ms

bg-nav-active.png

bg-nav-active.png

83 ms

line-bg.gif

line-bg.gif

84 ms

logo.png

logo.png

83 ms

bullet.png

bullet.png

160 ms

elec222_0.jpg

elec222_0.jpg

323 ms

waded3.jpg

waded3.jpg

247 ms

binary.jpg

binary.jpg

324 ms

controls.png

controls.png

161 ms

arrow-4.png

arrow-4.png

164 ms

linedark-bg.gif

linedark-bg.gif

247 ms

SEO Factors

sen.enst.fr 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 Sen.enst.fr 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 Sen.enst.fr 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

sen.enst.fr

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