2.4 sec in total
547 ms
1.7 sec
124 ms
Welcome to celene.univ-orleans.fr homepage info - get ready to check CELENE Univ Orleans best content for France right away, or after learning these important things about celene.univ-orleans.fr
Bienvenue sur la plateforme de cours en ligne de l'université d'Orléans !
Visit celene.univ-orleans.frWe analyzed Celene.univ-orleans.fr page load time and found that the first response time was 547 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
celene.univ-orleans.fr performance score
name
value
score
weighting
Value3.6 s
32/100
10%
Value3.8 s
54/100
25%
Value6.0 s
47/100
10%
Value270 ms
82/100
30%
Value0.001
100/100
15%
Value12.4 s
15/100
10%
547 ms
114 ms
173 ms
466 ms
511 ms
Our browser made a total of 27 requests to load all elements on the main page. We found that all of those requests were addressed to Celene.univ-orleans.fr and no external sources were called. The less responsive or slowest element that took the longest time to load (547 ms) belongs to the original domain Celene.univ-orleans.fr.
Page size can be reduced by 284.3 kB (58%)
490.8 kB
206.5 kB
In fact, the total size of Celene.univ-orleans.fr main page is 490.8 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. Javascripts take 332.7 kB which makes up the majority of the site volume.
Potential reduce by 28.3 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. 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 28.3 kB or 79% of the original size.
Potential reduce by 11.4 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, CELENE Univ Orleans needs image optimization as it can save up to 11.4 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 233.5 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 233.5 kB or 70% of the original size.
Potential reduce by 11.1 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. Celene.univ-orleans.fr needs all CSS files to be minified and compressed as it can save up to 11.1 kB or 76% of the original size.
Number of requests can be reduced by 15 (58%)
26
11
The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CELENE Univ Orleans. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
celene.univ-orleans.fr
547 ms
yui_combo.php
114 ms
yui_combo.php
173 ms
yui_combo.php
466 ms
all
511 ms
javascript-static.js
225 ms
fd_site_gris
111 ms
logo_jamii2
112 ms
home
113 ms
my
88 ms
filariane
88 ms
icon
172 ms
hautdepage
451 ms
logoufr
171 ms
bandeau
535 ms
fd_apercu
211 ms
collapsed
212 ms
hgradient_marron
246 ms
expanded
248 ms
fleche_gauche
323 ms
fleche_droite
323 ms
yui_combo.php
316 ms
block_to_dock
303 ms
yui_combo.php
143 ms
yui_combo.php
127 ms
yui_combo.php
116 ms
yui_combo.php
129 ms
celene.univ-orleans.fr accessibility score
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
Heading elements are not in a sequentially-descending order
celene.univ-orleans.fr best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
celene.univ-orleans.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
EN
FR
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Celene.univ-orleans.fr can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed French language. Our system also found out that Celene.univ-orleans.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.
celene.univ-orleans.fr
Open Graph description is not detected on the main page of CELENE Univ Orleans. 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: