6.8 sec in total
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Welcome to manuel-numerique.com homepage info - get ready to check Manuel Numerique best content for France right away, or after learning these important things about manuel-numerique.com
Biblio Manuels, la bibliothèque numérique des éditeurs Bordas, Nathan, Retz, Le Robert, Syros et Clé International
Visit manuel-numerique.comWe analyzed Manuel-numerique.com page load time and found that the first response time was 278 ms and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
manuel-numerique.com performance score
name
value
score
weighting
Value4.4 s
17/100
10%
Value13.7 s
0/100
25%
Value8.3 s
19/100
10%
Value280 ms
81/100
30%
Value0.04
99/100
15%
Value11.3 s
19/100
10%
278 ms
677 ms
244 ms
167 ms
806 ms
Our browser made a total of 307 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original Manuel-numerique.com, 91% (278 requests) were made to Extranet.editis.com and 8% (26 requests) were made to Manuelnumerique.com. The less responsive or slowest element that took the longest time to load (806 ms) relates to the external source Manuelnumerique.com.
Page size can be reduced by 343.0 kB (68%)
505.0 kB
162.0 kB
In fact, the total size of Manuel-numerique.com main page is 505.0 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. 40% of websites need less resources to load. Javascripts take 269.7 kB which makes up the majority of the site volume.
Potential reduce by 99.9 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 99.9 kB or 93% of the original size.
Potential reduce by 20.1 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, Manuel Numerique needs image optimization as it can save up to 20.1 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 211.8 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 211.8 kB or 79% of the original size.
Potential reduce by 11.2 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. Manuel-numerique.com needs all CSS files to be minified and compressed as it can save up to 11.2 kB or 77% of the original size.
We found no issues to fix!
163
163
The browser has sent 163 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Manuel Numerique. According to our analytics all requests are already optimized.
manuel-numerique.com
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manuel-numerique.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
Links do not have a discernible name
manuel-numerique.com 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
General
Impact
Issue
Detected JavaScript libraries
manuel-numerique.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
FR
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Manuel-numerique.com can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Manuel-numerique.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.
manuel-numerique.com
Open Graph description is not detected on the main page of Manuel Numerique. 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: