Tools & Wizards About Us

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

ecoleiris.fr

IRIS, Ecole d'Informatique et Numérique à Paris et Strasbourg

Page Load Speed

2.5 sec in total

First Response

326 ms

Resources Loaded

1.7 sec

Page Rendered

517 ms

About Website

Visit ecoleiris.fr now to see the best up-to-date Ecole IRIS content for France and also check out these interesting facts you probably never knew about ecoleiris.fr

1ère école de France pour le BTS SIO, l'IRIS école d'informatique et du numérique à Paris et Strasbourg forme les talents du numérique de demain.

Visit ecoleiris.fr

Key Findings

We analyzed Ecoleiris.fr page load time and found that the first response time was 326 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

ecoleiris.fr performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value14.3 s

0/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value1,550 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.005

100/100

15%

TTI (Time to Interactive)

Value13.0 s

12/100

10%

Network Requests Diagram

ecoleiris.fr

326 ms

www.ecoleiris.fr

658 ms

gtm.js

89 ms

app.2399db38.css

199 ms

menu.35f745c5.css

269 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 34% of them (15 requests) were addressed to the original Ecoleiris.fr, 39% (17 requests) were made to Res.cloudinary.com and 18% (8 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (672 ms) belongs to the original domain Ecoleiris.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 179.0 kB (8%)

Content Size

2.2 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Ecoleiris.fr main page is 2.2 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. 40% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 41.8 kB

  • Original 49.6 kB
  • After minification 30.6 kB
  • After compression 7.8 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. This page needs HTML code to be minified as it can gain 19.0 kB, which is 38% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 41.8 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 133.3 kB

  • Original 2.1 MB
  • After minification 1.9 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. Ecole IRIS images are well optimized though.

CSS Optimization

-5%

Potential reduce by 3.9 kB

  • Original 78.5 kB
  • After minification 78.5 kB
  • After compression 74.7 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. Ecoleiris.fr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (45%)

Requests Now

33

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ecole IRIS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ecoleiris.fr accessibility score

88

Accessibility Issues

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

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

Links do not have a discernible name

Best Practices

ecoleiris.fr best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

ecoleiris.fr SEO score

90

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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ecoleiris.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 Ecoleiris.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 description is not detected on the main page of Ecole IRIS. 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: