8 sec in total
585 ms
6.7 sec
725 ms
Welcome to sciences-techniques.univ-nantes.fr homepage info - get ready to check Sciences Techniques Univ Nantes best content for France right away, or after learning these important things about sciences-techniques.univ-nantes.fr
Formations de Bac+1 à Bac+8 en sciences (biologie, chimie, informatique, maths, physique, svt, histoire des sciences). Structures de recherche de haut niveau. Licences professionnelles et Masters en a...
Visit sciences-techniques.univ-nantes.frWe analyzed Sciences-techniques.univ-nantes.fr page load time and found that the first response time was 585 ms and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
sciences-techniques.univ-nantes.fr performance score
name
value
score
weighting
Value3.8 s
26/100
10%
Value21.3 s
0/100
25%
Value11.3 s
5/100
10%
Value2,070 ms
7/100
30%
Value0.081
94/100
15%
Value23.9 s
1/100
10%
585 ms
277 ms
479 ms
270 ms
464 ms
Our browser made a total of 73 requests to load all elements on the main page. We found that 73% of them (53 requests) were addressed to the original Sciences-techniques.univ-nantes.fr, 12% (9 requests) were made to Youtube.com and 5% (4 requests) were made to Jnn-pa.googleapis.com. The less responsive or slowest element that took the longest time to load (4.6 sec) belongs to the original domain Sciences-techniques.univ-nantes.fr.
Page size can be reduced by 564.4 kB (12%)
4.7 MB
4.1 MB
In fact, the total size of Sciences-techniques.univ-nantes.fr main page is 4.7 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. 55% of websites need less resources to load. Images take 4.0 MB which makes up the majority of the site volume.
Potential reduce by 183.3 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 47.6 kB, which is 23% 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 183.3 kB or 88% of the original size.
Potential reduce by 46.3 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. Sciences Techniques Univ Nantes images are well optimized though.
Potential reduce by 24.6 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 24.6 kB or 33% of the original size.
Potential reduce by 310.1 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. Sciences-techniques.univ-nantes.fr needs all CSS files to be minified and compressed as it can save up to 310.1 kB or 85% of the original size.
Number of requests can be reduced by 16 (26%)
62
46
The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sciences Techniques Univ Nantes. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
sciences-techniques.univ-nantes.fr
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sciences-techniques.univ-nantes.fr 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-hidden="true"] elements contain focusable descendents
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
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
Heading elements are not in a sequentially-descending order
Some elements have a [tabindex] value greater than 0
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
sciences-techniques.univ-nantes.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
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
sciences-techniques.univ-nantes.fr SEO score
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 Sciences-techniques.univ-nantes.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 Sciences-techniques.univ-nantes.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.
sciences-techniques.univ-nantes.fr
Open Graph data is detected on the main page of Sciences Techniques Univ Nantes. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: