4 sec in total
323 ms
3.5 sec
146 ms
Visit univ-nantes.fr now to see the best up-to-date Univ Nantes content for France and also check out these interesting facts you probably never knew about univ-nantes.fr
Retrouvez toutes les formations, tous les laboratoires de Nantes Université. Découvrez également les initiatives qui rythment la vie des campus.
Visit univ-nantes.frWe analyzed Univ-nantes.fr page load time and found that the first response time was 323 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
univ-nantes.fr performance score
name
value
score
weighting
Value3.2 s
43/100
10%
Value15.1 s
0/100
25%
Value8.4 s
18/100
10%
Value1,000 ms
27/100
30%
Value0.001
100/100
15%
Value14.6 s
8/100
10%
323 ms
517 ms
186 ms
183 ms
180 ms
Our browser made a total of 78 requests to load all elements on the main page. We found that 91% of them (71 requests) were addressed to the original Univ-nantes.fr, 5% (4 requests) were made to Cdn.univ-nantes.fr and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Univ-nantes.fr.
Page size can be reduced by 655.2 kB (29%)
2.2 MB
1.6 MB
In fact, the total size of Univ-nantes.fr main page is 2.2 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. 45% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 58.8 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 25.2 kB, which is 38% 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 58.8 kB or 88% of the original size.
Potential reduce by 56.6 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. Univ Nantes images are well optimized though.
Potential reduce by 460.6 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 460.6 kB or 75% of the original size.
Potential reduce by 79.2 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. Univ-nantes.fr needs all CSS files to be minified and compressed as it can save up to 79.2 kB or 82% of the original size.
Number of requests can be reduced by 37 (49%)
75
38
The browser has sent 75 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 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 17 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
univ-nantes.fr
323 ms
www.univ-nantes.fr
517 ms
agenda_encadre.css
186 ms
reset.css
183 ms
police.css
180 ms
ecran.css
186 ms
scroll.css
184 ms
formulaires.css
182 ms
degrades.css
361 ms
social.css
365 ms
accueil_institutionnel.css
364 ms
defaut.js
367 ms
menu.js
362 ms
swfobject.js
370 ms
toolbox.js
543 ms
carrousel.js
539 ms
scroll.js
540 ms
prototype.js
736 ms
effects.js
546 ms
getElementsByClassName.js
545 ms
fonctions.js
716 ms
lytebox.js
721 ms
lytebox.css
722 ms
jquery-1.7.1.min.js
368 ms
activebar2.js
545 ms
cookies.js
547 ms
mozbar.js
546 ms
html.png
363 ms
ga.js
27 ms
piwik.js
456 ms
body.jpg
266 ms
type_recherche.png
186 ms
recherche_encours.png
183 ms
logo.png
188 ms
menu_acces_span.png
181 ms
menu_acces.png
185 ms
annuaire.png
366 ms
agenda.png
357 ms
plan.png
362 ms
webtv.png
364 ms
intranet.png
361 ms
menu_principal_item.png
443 ms
accueil.png
536 ms
menu_principal.png
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com.univ.collaboratif.utils.LectureFichiergw
888 ms
com.univ.collaboratif.utils.LectureFichiergw
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com.univ.collaboratif.utils.LectureFichiergw
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com.univ.collaboratif.utils.LectureFichiergw
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com.univ.collaboratif.utils.LectureFichiergw
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com.univ.collaboratif.utils.LectureFichiergw
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facebook.png
1257 ms
twitter.png
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instagram.png
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linkedin.png
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youtube.png
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rss.png
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ubl.png
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slideshow_actif.png
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pt_sans-narrow-web-bold-webfont.woff
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slideshow.png
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slide_precedent.png
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slide_suivant.png
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puce4.png
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pied_page.png
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infos_pratiques_plan.png
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infos_pratiques.png
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puce.png
1428 ms
infos_pratiques_contact.png
1430 ms
impression.css
94 ms
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
Image elements do not have [alt] attributes
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
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.
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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
univ-nantes.fr SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 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 Univ-nantes.fr main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
univ-nantes.fr
Open Graph description is not detected on the main page of Univ Nantes. 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: