3.9 sec in total
814 ms
2.8 sec
291 ms
Welcome to cief.univ-lyon2.fr homepage info - get ready to check Cief Univ Lyon 2 best content for France right away, or after learning these important things about cief.univ-lyon2.fr
Visit cief.univ-lyon2.frWe analyzed Cief.univ-lyon2.fr page load time and found that the first response time was 814 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
cief.univ-lyon2.fr performance score
name
value
score
weighting
Value3.6 s
31/100
10%
Value29.4 s
0/100
25%
Value7.4 s
27/100
10%
Value240 ms
86/100
30%
Value0
100/100
15%
Value8.8 s
35/100
10%
814 ms
194 ms
292 ms
195 ms
196 ms
Our browser made a total of 34 requests to load all elements on the main page. We found that all of those requests were addressed to Cief.univ-lyon2.fr and no external sources were called. The less responsive or slowest element that took the longest time to load (814 ms) belongs to the original domain Cief.univ-lyon2.fr.
Page size can be reduced by 266.5 kB (50%)
534.1 kB
267.6 kB
In fact, the total size of Cief.univ-lyon2.fr main page is 534.1 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 299.2 kB which makes up the majority of the site volume.
Potential reduce by 23.5 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 23.5 kB or 57% of the original size.
Potential reduce by 101.5 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. Obviously, Cief Univ Lyon 2 needs image optimization as it can save up to 101.5 kB or 34% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 103.2 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 103.2 kB or 71% of the original size.
Potential reduce by 38.4 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. Cief.univ-lyon2.fr needs all CSS files to be minified and compressed as it can save up to 38.4 kB or 80% of the original size.
Number of requests can be reduced by 22 (67%)
33
11
The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cief Univ Lyon 2. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
cief.univ-lyon2.fr
814 ms
reset.css
194 ms
ecran.css
292 ms
mediatheque.css
195 ms
panier.css
196 ms
lightbox.css
196 ms
jquery-1.4.2.min.js
671 ms
jquery.cycle.min.js
487 ms
jquery.color.min.js
386 ms
jquery.tools.min.js
387 ms
jquery.hotkeys.min.js
390 ms
tarteaucitron.js
575 ms
scripts_modele.js
810 ms
onglet.js
583 ms
fckeditor.js
586 ms
player_flipbook.js
685 ms
plus.png
385 ms
moins.png
388 ms
usine-logo-2014.png
291 ms
navigation.png
196 ms
pontdelaguillotiere4_1404462557443-jpg
389 ms
annee-du-singe_1454938846358-jpg
583 ms
li_niveau1.gif
398 ms
rss.png
489 ms
v_calendrier_1404389182248-jpeg
578 ms
v_mairie-de-lyon_1443514252731-jpg
580 ms
egales_1354016172682-jpg
582 ms
egales-uk_1354016188875-jpg
591 ms
tarteaucitron.css
667 ms
tarteaucitron.en.js
749 ms
tarteaucitron.services.js
98 ms
printstyles_modele.css
204 ms
closelabel.gif
195 ms
loading.gif
200 ms
cief.univ-lyon2.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
Links do not have a discernible name
cief.univ-lyon2.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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
cief.univ-lyon2.fr SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document doesn't have a valid hreflang
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
FR
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cief.univ-lyon2.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 Cief.univ-lyon2.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.
cief.univ-lyon2.fr
Open Graph description is not detected on the main page of Cief Univ Lyon 2. 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: