5.8 sec in total
1.3 sec
4.1 sec
436 ms
Visit lachimie.net now to see the best up-to-date Lachimie content for Morocco and also check out these interesting facts you probably never knew about lachimie.net
La chimie.net est un cours en ligne de chimie présenant un ensemble de ressources didactiques pour apprendre et réviser les principaux savoirs disciplinaires, les savoir-faire et les compétences des g...
Visit lachimie.netWe analyzed Lachimie.net page load time and found that the first response time was 1.3 sec and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
lachimie.net performance score
name
value
score
weighting
Value5.1 s
8/100
10%
Value8.6 s
1/100
25%
Value13.6 s
2/100
10%
Value7,810 ms
0/100
30%
Value0.109
87/100
15%
Value30.8 s
0/100
10%
1273 ms
181 ms
15 ms
10 ms
269 ms
Our browser made a total of 123 requests to load all elements on the main page. We found that 33% of them (41 requests) were addressed to the original Lachimie.net, 22% (27 requests) were made to Static.xx.fbcdn.net and 9% (11 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Lachimie.net.
Page size can be reduced by 887.6 kB (53%)
1.7 MB
788.4 kB
In fact, the total size of Lachimie.net main page is 1.7 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. 60% of websites need less resources to load. Javascripts take 983.7 kB which makes up the majority of the site volume.
Potential reduce by 203.8 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 203.8 kB or 75% of the original size.
Potential reduce by 19.8 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. Lachimie images are well optimized though.
Potential reduce by 655.9 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 655.9 kB or 67% of the original size.
Potential reduce by 8.1 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. Lachimie.net needs all CSS files to be minified and compressed as it can save up to 8.1 kB or 86% of the original size.
Number of requests can be reduced by 78 (65%)
120
42
The browser has sent 120 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lachimie. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 46 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
lachimie.net
1273 ms
menu.css
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addthis_widget.js
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all.js
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lachimie.net accessibility score
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
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
Definition list items are not wrapped in <dl> elements
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
lachimie.net best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
lachimie.net SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
Document uses legible font sizes
Tap targets are not sized appropriately
N/A
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lachimie.net can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Lachimie.net main page’s claimed encoding is iso-8859-1. 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.
lachimie.net
Open Graph description is not detected on the main page of Lachimie. 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: