2.3 sec in total
300 ms
1.7 sec
366 ms
Welcome to sciences-u.fr homepage info - get ready to check Sciences U best content for France right away, or after learning these important things about sciences-u.fr
Sciences U Lyon, Formations en Communication, Ressources humaines, Evénementiel, Comptabilité, Gestion, Immobilier, Informatique, Marketing, Commerce
Visit sciences-u.frWe analyzed Sciences-u.fr page load time and found that the first response time was 300 ms and then it took 2 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.
sciences-u.fr performance score
name
value
score
weighting
Value5.5 s
6/100
10%
Value6.4 s
9/100
25%
Value9.3 s
13/100
10%
Value1,660 ms
11/100
30%
Value0.164
72/100
15%
Value18.0 s
3/100
10%
300 ms
298 ms
87 ms
157 ms
158 ms
Our browser made a total of 39 requests to load all elements on the main page. We found that 95% of them (37 requests) were addressed to the original Sciences-u.fr, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (790 ms) belongs to the original domain Sciences-u.fr.
Page size can be reduced by 169.6 kB (17%)
975.2 kB
805.6 kB
In fact, the total size of Sciences-u.fr main page is 975.2 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. 20% of websites need less resources to load. Images take 792.9 kB which makes up the majority of the site volume.
Potential reduce by 10.8 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. 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 10.8 kB or 77% of the original size.
Potential reduce by 48.7 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. Sciences U images are well optimized though.
Potential reduce by 103.9 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 103.9 kB or 65% of the original size.
Potential reduce by 6.2 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. Sciences-u.fr needs all CSS files to be minified and compressed as it can save up to 6.2 kB or 77% of the original size.
Number of requests can be reduced by 3 (8%)
37
34
The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sciences U. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.
sciences-u.fr
300 ms
www.sciences-u.fr
298 ms
default.css
87 ms
nivo-slider.css
157 ms
style.css
158 ms
layout.css
160 ms
jquery-1.6.1.min.js
260 ms
jquery.nivo.slider.pack.js
195 ms
analytics.js
11 ms
bg_body.jpg
500 ms
bottom_page.png
176 ms
bg_header.jpg
283 ms
logo.png
326 ms
head1.jpg
177 ms
head3.jpg
194 ms
menu.jpg
252 ms
bg_cadre_anim.gif
257 ms
loading.gif
287 ms
ucla-extension-sciences-u.jpg
649 ms
ban2012-scienceu.jpg
790 ms
ban2012-efab.jpg
631 ms
ban2012-efficom.jpg
561 ms
le-groupe.jpg
407 ms
vous-etes-etudiant.jpg
484 ms
efficom.jpg
562 ms
scienceucampus.jpg
587 ms
efab.jpg
653 ms
logo-issiu-si.png
651 ms
logo-efficom-formation-2015.png
669 ms
logo_bas.jpg
706 ms
eductive-group.png
730 ms
collect
13 ms
separation1.jpg
619 ms
bg-2-col.jpg
626 ms
top-2-col.jpg
645 ms
bottom-2-col.jpg
677 ms
top-footer.jpg
695 ms
separation2.jpg
698 ms
arrows.png
80 ms
sciences-u.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
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
ARIA IDs are not unique
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
sciences-u.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
Browser errors were logged to the console
Page has valid source maps
sciences-u.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
FR
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sciences-u.fr 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 Sciences-u.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.
sciences-u.fr
Open Graph description is not detected on the main page of Sciences U. 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: