Report Summary

  • 58

    Performance

    Renders faster than
    74% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

campus.mines-paristech.fr

Plateforme de cours hybrides et à distance MINES ParisTech

Page Load Speed

2.2 sec in total

First Response

259 ms

Resources Loaded

1.7 sec

Page Rendered

186 ms

campus.mines-paristech.fr screenshot

About Website

Click here to check amazing Campus MINES Paris Tech content for France. Otherwise, check out these important facts you probably never knew about campus.mines-paristech.fr

Bienvenue sur la Plateforme de cours hybrides et à distance  de MINES ParisTech

Visit campus.mines-paristech.fr

Key Findings

We analyzed Campus.mines-paristech.fr page load time and found that the first response time was 259 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

campus.mines-paristech.fr performance score

58

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value5.7 s

50/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value12.4 s

15/100

10%

Network Requests Diagram

campus.mines-paristech.fr

259 ms

campus.mines-paristech.fr

565 ms

yui_combo.php

161 ms

yui_combo.php

242 ms

yui_combo.php

543 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that all of those requests were addressed to Campus.mines-paristech.fr and no external sources were called. The less responsive or slowest element that took the longest time to load (565 ms) belongs to the original domain Campus.mines-paristech.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 332.7 kB (50%)

Content Size

664.5 kB

After Optimization

331.8 kB

In fact, the total size of Campus.mines-paristech.fr main page is 664.5 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. 20% of websites need less resources to load. Javascripts take 400.7 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 21.1 kB

  • Original 27.9 kB
  • After minification 27.1 kB
  • After compression 6.8 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. 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 21.1 kB or 76% of the original size.

Image Optimization

-11%

Potential reduce by 26.5 kB

  • Original 235.9 kB
  • After minification 209.3 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. Obviously, Campus MINES Paris Tech needs image optimization as it can save up to 26.5 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 285.1 kB

  • Original 400.7 kB
  • After minification 393.8 kB
  • After compression 115.6 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 285.1 kB or 71% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (33%)

Requests Now

18

After Optimization

12

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Campus MINES Paris Tech. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

campus.mines-paristech.fr accessibility score

90

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

campus.mines-paristech.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

campus.mines-paristech.fr SEO score

79

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

High

Page is blocked from indexing

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 Campus.mines-paristech.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 Campus.mines-paristech.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 Campus MINES Paris Tech. 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: