Access jlsigrist.com. Mathématiques à l'IUFM d'Alsace. Un site de Jean-Louis SIGRIST

name

value

score

weighting

FCP (First Contentful Paint)

Value0

0/100

10%

LCP (Largest Contentful Paint)

Value0

0/100

25%

SI (Speed Index)

Value0

0/100

10%

TBT (Total Blocking Time)

Value0

0/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value0

0/100

10%

jlsigrist.com

659 ms

styles1.css

205 ms

sommaire.html

837 ms

accueil.html

218 ms

styles1.css

271 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 86% of them (19 requests) were addressed to the original Jlsigrist.com, 14% (3 requests) were made to Jlsigrist.i-services.net. The less responsive or slowest element that took the longest time to load (837 ms) belongs to the original domain Jlsigrist.com.

Content Size

14.1 kB

After Optimization

1.5 kB

In fact, the total size of Jlsigrist.com main page is 14.1 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. Only 10% of websites need less resources to load. HTML takes 12.2 kB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 11.2 kB

Original 12.2 kB
After minification 2.1 kB
After compression 994 B

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 10.1 kB, which is 83% 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 11.2 kB or 92% of the original size.

CSS Optimization

-75%

Potential reduce by 1.4 kB

Original 1.9 kB
After minification 1.2 kB
After compression 490 B

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. Jlsigrist.com needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 75% of the original size.

Requests Now

After Optimization

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jl SIGRIST. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests 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

<frame> or <iframe> elements do not have a title

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Browser errors were logged to the console

Search Engine Optimization Advices

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 Jlsigrist.com 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 Jlsigrist.com 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 Jl SIGRIST. 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: