2.5 sec in total
357 ms
2 sec
150 ms
Visit www4.cnrs-dir.fr now to see the best up-to-date Www 4 Cnrs Dir content for France and also check out these interesting facts you probably never knew about www4.cnrs-dir.fr
Le Centre national de la recherche scientifique est un organisme public de recherche (Etablissement public à caractère scientifique et technologique, placé sous la tutelle du Ministère de l'Enseigneme...
Visit www4.cnrs-dir.frWe analyzed Www4.cnrs-dir.fr page load time and found that the first response time was 357 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.
www4.cnrs-dir.fr performance score
name
value
score
weighting
Value3.8 s
28/100
10%
Value6.6 s
8/100
25%
Value4.7 s
69/100
10%
Value50 ms
100/100
30%
Value0.001
100/100
15%
Value5.5 s
71/100
10%
357 ms
157 ms
159 ms
313 ms
467 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that 85% of them (46 requests) were addressed to the original Www4.cnrs-dir.fr, 6% (3 requests) were made to Cnrs.fr and 4% (2 requests) were made to Dircomstat.preprod.lamp.cnrs.fr. The less responsive or slowest element that took the longest time to load (717 ms) relates to the external source Dsi.cnrs.fr.
Page size can be reduced by 310.4 kB (37%)
834.5 kB
524.1 kB
In fact, the total size of Www4.cnrs-dir.fr main page is 834.5 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. 25% of websites need less resources to load. Images take 428.2 kB which makes up the majority of the site volume.
Potential reduce by 19.9 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 7.2 kB, which is 29% 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 19.9 kB or 80% of the original size.
Potential reduce by 4.0 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. Www 4 Cnrs Dir images are well optimized though.
Potential reduce by 217.1 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 217.1 kB or 72% of the original size.
Potential reduce by 69.5 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. Www4.cnrs-dir.fr needs all CSS files to be minified and compressed as it can save up to 69.5 kB or 85% of the original size.
Number of requests can be reduced by 26 (57%)
46
20
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Www 4 Cnrs Dir. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
www4.cnrs-dir.fr
357 ms
blank.css
157 ms
main.css
159 ms
jquery-1.5.1.min.js
313 ms
jquery-ui-1.8.13.custom.min.js
467 ms
scriptsbis.js
159 ms
clickheat.js
363 ms
blank-general.css
81 ms
blank-gridTools.css
79 ms
menus.css
156 ms
forms.css
79 ms
document-html.css
159 ms
CNRS.css
160 ms
bodyBackground.png
80 ms
p.js
440 ms
clickheat.js
717 ms
bodyBackgroundEN.png
85 ms
grid.png
87 ms
logocnrsEN.png
86 ms
toolbarBack.jpg
86 ms
miniToolsSmaller.png
85 ms
miniToolsBigger.png
86 ms
miniToolsPrint.png
163 ms
searchFieldBack.png
164 ms
filActuBack.png
165 ms
loaderL.gif
164 ms
filActuShadow1.png
162 ms
filActuTitreEN.png
164 ms
laUneSelectedBack.png
241 ms
laUneABackAlt.png
241 ms
180927-cassinphoto.jpg
475 ms
laUneBack.png
242 ms
180531-inventaire.jpg
322 ms
filActuShadow2.png
241 ms
decouverteAccueilEN.png
319 ms
decouverteAccueilBack.png
319 ms
palmares-en-160.jpg
322 ms
170216-label-hr.jpg
321 ms
pubCnrsNews.png
401 ms
enUnClicBack.png
399 ms
enUnClicAccueilEN.png
401 ms
socialMediaIconsS.png
401 ms
twitter.png
399 ms
localNavPuce.png
477 ms
footerBack.png
479 ms
planPuce.png
478 ms
fbevents.js
18 ms
nimbuscondGNU.woff
455 ms
piwik.js
89 ms
piwik.js
446 ms
print.css
79 ms
clickheat.js
272 ms
piwik.js
389 ms
menuSelectArrow.png
80 ms
www4.cnrs-dir.fr accessibility score
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
Form elements do not have associated labels
Links do not have a discernible name
www4.cnrs-dir.fr 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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
www4.cnrs-dir.fr SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
EN
FR
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Www4.cnrs-dir.fr can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed French language. Our system also found out that Www4.cnrs-dir.fr 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.
www4.cnrs-dir.fr
Open Graph description is not detected on the main page of Www 4 Cnrs Dir. 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: