Access phelma.fr. Grenoble INP - Phelma

Report Summary

About Website

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

L'école nationale supérieure de physique, électronique, matériaux est une école française de référence dans le domaine de la physique, des matériaux, de l'électrochimie, des procédés, des nano...

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name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value16.0 s

0/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value330 ms

75/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

phelma.fr

287 ms

phelma.grenoble-inp.fr

969 ms

fonts.css

281 ms

extension-galerie.css

295 ms

e6ad73373e8eb48d7eb02047c98aa4871c440995.css

784 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Phelma.fr, 94% (48 requests) were made to Phelma.grenoble-inp.fr and 4% (2 requests) were made to Matomo.grenoble-inp.fr. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Phelma.grenoble-inp.fr.

Content Size

8.1 MB

After Optimization

7.9 MB

In fact, the total size of Phelma.fr main page is 8.1 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. 30% of websites need less resources to load. Images take 7.9 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 176.7 kB

Original 190.1 kB
After minification 103.7 kB
After compression 13.4 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 86.4 kB, which is 45% 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 176.7 kB or 93% of the original size.

Image Optimization

-0%

Potential reduce by 16.2 kB

Original 7.9 MB
After minification 7.9 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. Phelma images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 111 B

Original 31.2 kB
After minification 31.2 kB
After compression 31.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-79%

Potential reduce by 6.4 kB

Original 8.2 kB
After minification 6.9 kB
After compression 1.7 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. Phelma.fr needs all CSS files to be minified and compressed as it can save up to 6.4 kB or 79% of the original size.

Requests Now

After Optimization

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Phelma. 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 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

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 Phelma.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 Phelma.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

phelma.fr

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Grenoble INP - Phelma - Accueil

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)