5.5 sec in total
406 ms
4.7 sec
380 ms
Visit insu.cnrs.fr now to see the best up-to-date Insu CNRS content for France and also check out these interesting facts you probably never knew about insu.cnrs.fr
L'institut national des sciences de l'Univers (INSU) du CNRS a pour mission d'élaborer, développer et coordonner les recherches d'ampleur nationale et internationale en astronomie,...
Visit insu.cnrs.frWe analyzed Insu.cnrs.fr page load time and found that the first response time was 406 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
insu.cnrs.fr performance score
name
value
score
weighting
Value4.0 s
24/100
10%
Value18.8 s
0/100
25%
Value8.9 s
15/100
10%
Value590 ms
50/100
30%
Value0
100/100
15%
Value8.0 s
43/100
10%
406 ms
965 ms
1025 ms
152 ms
248 ms
Our browser made a total of 51 requests to load all elements on the main page. We found that 75% of them (38 requests) were addressed to the original Insu.cnrs.fr, 12% (6 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Statistiques.cnrs.fr. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Insu.cnrs.fr.
Page size can be reduced by 602.4 kB (8%)
7.6 MB
7.0 MB
In fact, the total size of Insu.cnrs.fr main page is 7.6 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. 70% of websites need less resources to load. Images take 7.4 MB which makes up the majority of the site volume.
Potential reduce by 61.5 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 61.5 kB or 82% of the original size.
Potential reduce by 539.8 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. Insu CNRS images are well optimized though.
Potential reduce by 658 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 472 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. Insu.cnrs.fr has all CSS files already compressed.
Number of requests can be reduced by 10 (24%)
42
32
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Insu CNRS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
insu.cnrs.fr
406 ms
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insu.cnrs.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
Links do not have a discernible name
insu.cnrs.fr best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
insu.cnrs.fr 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
FR
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Insu.cnrs.fr 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 Insu.cnrs.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.
insu.cnrs.fr
Open Graph description is not detected on the main page of Insu CNRS. 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: