3 sec in total
967 ms
1.8 sec
266 ms
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Visit numerique.lalibrairie.comWe analyzed Numerique.lalibrairie.com page load time and found that the first response time was 967 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
numerique.lalibrairie.com performance score
name
value
score
weighting
Value2.3 s
74/100
10%
Value5.2 s
23/100
25%
Value2.9 s
94/100
10%
Value300 ms
78/100
30%
Value0.136
80/100
15%
Value4.9 s
78/100
10%
967 ms
499 ms
253 ms
524 ms
363 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that 74% of them (40 requests) were addressed to the original Numerique.lalibrairie.com, 26% (14 requests) were made to Couverture.numilog.com. The less responsive or slowest element that took the longest time to load (967 ms) belongs to the original domain Numerique.lalibrairie.com.
Page size can be reduced by 852.8 kB (78%)
1.1 MB
240.8 kB
In fact, the total size of Numerique.lalibrairie.com main page is 1.1 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. 35% of websites need less resources to load. Javascripts take 706.6 kB which makes up the majority of the site volume.
Potential reduce by 128.9 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. This page needs HTML code to be minified as it can gain 22.7 kB, which is 15% 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 128.9 kB or 83% of the original size.
Potential reduce by 13.7 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, Numerique Lalibrairie needs image optimization as it can save up to 13.7 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 588.2 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 588.2 kB or 83% of the original size.
Potential reduce by 122.0 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. Numerique.lalibrairie.com needs all CSS files to be minified and compressed as it can save up to 122.0 kB or 85% of the original size.
Number of requests can be reduced by 19 (36%)
53
34
The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Numerique Lalibrairie. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
numerique.lalibrairie.com
967 ms
jquery.js
499 ms
scripts.js
253 ms
jquery-1.4.2.min.js
524 ms
json2.js
363 ms
Commun.css
518 ms
designchristelle.css
426 ms
designKatia.css
454 ms
EBS_FAQ_Stylesheet.css
511 ms
fiche.css
553 ms
Javascript.css
568 ms
jquery-ui-1.8.custom.css
587 ms
MiseEnAvantGenerale.css
593 ms
RechercheAvancee.css
601 ms
WebServices.css
605 ms
WebResource.axd
313 ms
ScriptResource.axd
328 ms
ScriptResource.axd
428 ms
ScriptResource.axd
352 ms
Accueil.aspx
452 ms
WebResource.axd
364 ms
9782221191170_w100.jpg
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bgDemo.jpg
111 ms
FermerPopUp.gif
127 ms
GetResources
167 ms
GetResources
242 ms
FR.png
430 ms
ok.png
345 ms
ImagePub.ashx
451 ms
ImagePub.ashx
484 ms
ImagePub.ashx
527 ms
ImagePub.ashx
438 ms
BgBoutonDrapeaux.png
272 ms
ok.jpg
328 ms
ImgLien.png
336 ms
slide-bg.png
344 ms
produit_bas.gif
341 ms
BoutonOn.png
370 ms
footer.png
407 ms
silde-nav.png
399 ms
Impression.css
86 ms
numerique.lalibrairie.com accessibility score
numerique.lalibrairie.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
Page has valid source maps
numerique.lalibrairie.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 Numerique.lalibrairie.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 Numerique.lalibrairie.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.
numerique.lalibrairie.com
Open Graph description is not detected on the main page of Numerique Lalibrairie. 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: