Access laphysique.net. La physique.net - introduction à la physique : physique classique (forces, hydrostatique, ...)

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value17.7 s

0/100

10%

TBT (Total Blocking Time)

Value41,460 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.255

48/100

15%

TTI (Time to Interactive)

Value53.3 s

0/100

10%

laphysique.net

297 ms

styles.css

88 ms

menu.css

172 ms

adsbygoogle.js

73 ms

addthis_widget.js

24 ms

Our browser made a total of 84 requests to load all elements on the main page. We found that 56% of them (47 requests) were addressed to the original Laphysique.net, 8% (7 requests) were made to Pagead2.googlesyndication.com and 7% (6 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Encrypted-tbn1.gstatic.com.

Content Size

346.6 kB

After Optimization

244.3 kB

In fact, the total size of Laphysique.net main page is 346.6 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. 60% of websites need less resources to load. Images take 183.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 26.0 kB

Original 33.6 kB
After minification 31.8 kB
After compression 7.6 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 26.0 kB or 77% of the original size.

Image Optimization

-6%

Potential reduce by 10.3 kB

Original 183.9 kB
After minification 173.6 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. La Physique images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 65.6 kB

Original 128.0 kB
After minification 127.9 kB
After compression 62.4 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 65.6 kB or 51% of the original size.

CSS Optimization

-40%

Potential reduce by 461 B

Original 1.2 kB
After minification 1.2 kB
After compression 698 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. Laphysique.net needs all CSS files to be minified and compressed as it can save up to 461 B or 40% of the original size.

Requests Now

After Optimization

The browser has sent 76 CSS, Javascripts, AJAX and image requests in order to completely render the main page of La Physique. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Serves images with low resolution

High

Browser errors were logged to the console

High

Page has valid source maps

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

Language and Encoding

Language Detected

FR
Language Claimed

FR
Encoding

WINDOWS-1252

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Laphysique.net 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 Laphysique.net main page’s claimed encoding is windows-1252. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

laphysique.net

Open Graph description is not detected on the main page of La Physique. 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

La physique.net - introduction à la physique : physique classique (forces, hydrostatique, ...) - physique nucléaire (radioactivité)

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)

Network Requests Diagram

laphysique.net

styles.css

menu.css

adsbygoogle.js

addthis_widget.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

laphysique.net

styles.css

menu.css

adsbygoogle.js

addthis_widget.js

adsbygoogle.js

show_ads.js

index00.htm

images

show_ads_impl.js

bannerfioles.png

pixel.gif

laphyslogotop.png

libellepub22.gif

libellepub22.gif

cadre_r1_c1.gif

cadre_r1_c2.gif

cadre_r1_c3.gif

cadre_r2_c1.gif

banner_01.jpg

banner_03.jpg

banner_04.jpg

c.png

contenu_01.png

contenu_02.png

contenu_03.png

contenu_04.png

contenu_06.png

carre2.jpg

up.gif

contenu_07.png

contenu_08.png

contenu_09.png

cadre_r2_c3.gif

cadre_r3_c1.gif

cadre_r3_c2.gif

cadre_r3_c3.gif

divide.gif

jonction.gif

site-prime.gif

Bandeau_Sw.gif

profani2.gif

index.04.gif