Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

isep.fr

École d'ingénieurs du numérique, Paris et Bordeaux - Isep

Page Load Speed

7.2 sec in total

First Response

274 ms

Resources Loaded

4.2 sec

Page Rendered

2.8 sec

isep.fr screenshot

About Website

Welcome to isep.fr homepage info - get ready to check Isep best content for France right away, or after learning these important things about isep.fr

Vous souhaitez devenir ingénieur dans le domaine du numérique ? En IA, Cybersécurité, DataScience. Rejoignez notre école à Paris, Issy-les-Moulineaux et Bordeaux. Le Numérique en mode Humanware.

Visit isep.fr

Key Findings

We analyzed Isep.fr page load time and found that the first response time was 274 ms and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

isep.fr performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value1,680 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.153

75/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

isep.fr

274 ms

www.isep.fr

644 ms

breeze_c5e02969bb73b880fea28b850bc9d03d.css

90 ms

breeze_ce840314a9db357a6c1ac4a6306759da.css

182 ms

breeze_32fc5c8befcaa188a5b23c3d56cf5156.css

268 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 86% of them (94 requests) were addressed to the original Isep.fr, 3% (3 requests) were made to Collectcdn.com and 2% (2 requests) were made to V3.oscar-campus.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Isep.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.0 MB (11%)

Content Size

19.1 MB

After Optimization

17.1 MB

In fact, the total size of Isep.fr main page is 19.1 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. 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. Images take 18.4 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 115.1 kB

  • Original 152.4 kB
  • After minification 152.4 kB
  • After compression 37.3 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 115.1 kB or 76% of the original size.

Image Optimization

-10%

Potential reduce by 1.9 MB

  • Original 18.4 MB
  • After minification 16.5 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. Isep images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 17.3 kB

  • Original 478.7 kB
  • After minification 476.5 kB
  • After compression 461.3 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

-0%

Potential reduce by 395 B

  • Original 86.4 kB
  • After minification 86.4 kB
  • After compression 86.0 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. Isep.fr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 61 (60%)

Requests Now

101

After Optimization

40

The browser has sent 101 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isep. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 40 to 1 for JavaScripts and from 23 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

isep.fr accessibility score

78

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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.

Best Practices

isep.fr best practices score

67

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

SEO Factors

isep.fr SEO score

86

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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Isep.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 Isep.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

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