3.3 sec in total
581 ms
2.5 sec
221 ms
Click here to check amazing Www Chimie U Strasbg content for France. Otherwise, check out these important facts you probably never knew about www-chimie.u-strasbg.fr
Au cœur de la région transfrontalière du Rhin supérieur, berceau de l’un des plus importants centre industriel de chimie au monde, la Faculté de Chimie de Strasbourg est un site académique d’excellenc...
Visit www-chimie.u-strasbg.frWe analyzed Www-chimie.u-strasbg.fr page load time and found that the first response time was 581 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
www-chimie.u-strasbg.fr performance score
name
value
score
weighting
Value6.2 s
3/100
10%
Value8.3 s
2/100
25%
Value8.7 s
17/100
10%
Value60 ms
100/100
30%
Value0.319
36/100
15%
Value9.7 s
29/100
10%
581 ms
880 ms
72 ms
201 ms
234 ms
Our browser made a total of 58 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Www-chimie.u-strasbg.fr, 74% (43 requests) were made to Chimie.unistra.fr and 7% (4 requests) were made to Unistra.fr. The less responsive or slowest element that took the longest time to load (880 ms) relates to the external source Chimie.unistra.fr.
Page size can be reduced by 243.7 kB (33%)
740.3 kB
496.6 kB
In fact, the total size of Www-chimie.u-strasbg.fr main page is 740.3 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. 35% of websites need less resources to load. Images take 430.8 kB which makes up the majority of the site volume.
Potential reduce by 86.2 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 86.2 kB or 86% of the original size.
Potential reduce by 9.5 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. Www Chimie U Strasbg images are well optimized though.
Potential reduce by 88.4 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 88.4 kB or 65% of the original size.
Potential reduce by 59.7 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. Www-chimie.u-strasbg.fr needs all CSS files to be minified and compressed as it can save up to 59.7 kB or 83% of the original size.
Number of requests can be reduced by 36 (69%)
52
16
The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Www Chimie U Strasbg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
www-chimie.u-strasbg.fr
581 ms
chimie.unistra.fr
880 ms
css
72 ms
styles.css
201 ms
stylesheet_71758cc652.css
234 ms
swfobject.js
229 ms
javascript_93077bb238.js
232 ms
jquery.min.js
81 ms
jquery-ui.min.js
103 ms
jquery.mousewheel-3.0.6.pack.js
227 ms
jquery.fancybox.js
289 ms
jquery.fancybox.css
297 ms
jquery.fancybox-buttons.css
337 ms
jquery.fancybox-buttons.js
338 ms
jquery.fancybox-thumbs.css
343 ms
jquery.fancybox-thumbs.js
345 ms
jquery.fancybox-media.js
385 ms
jquery.carousel.min.js
395 ms
effects.js
449 ms
prettyPhoto.css
448 ms
jquery.prettyPhoto.js
459 ms
css
81 ms
bandeau-unistra.css
527 ms
slightbox.css
457 ms
slimbox.2.0.4.yui.js
481 ms
bandeau-unistra.php
467 ms
menu.css
298 ms
actus.css
364 ms
ga.js
50 ms
fond.jpg
576 ms
fond_blanc.png
116 ms
logo.png
220 ms
logo_unistra.png
117 ms
fond_conteneur.png
113 ms
fond_niv_1_active.png
99 ms
fond_niv_2.png
197 ms
puce_niv_2.png
225 ms
fond_niv_1.png
229 ms
fond_barre_haut.png
231 ms
Tour_2.jpg
574 ms
fond_agenda.png
331 ms
calendrier.png
334 ms
fond_event.png
342 ms
rootline_separateur.gif
345 ms
puce_1.gif
441 ms
RTEmagicC_Chimie_divers__3__03.jpg.jpg
446 ms
fond_footer.png
457 ms
__utm.gif
39 ms
logo.png
105 ms
bg-bouton-unistra.png
98 ms
prec.png
390 ms
suiv.png
484 ms
fancybox_overlay.png
488 ms
s-BiyweUPV0v-yRb-cjciC3USBnSvpkopQaUR-2r7iU.ttf
61 ms
EFpQQyG9GqCrobXxL-KRMfEr6Hm6RMS0v1dtXsGir4g.ttf
80 ms
5DVGWnz9Skaq1amwwwGZEw.ttf
82 ms
-KZsao_xwBpcExaHoPH8_w.ttf
88 ms
fancybox_sprite.png
252 ms
www-chimie.u-strasbg.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
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
Form elements do not have associated labels
www-chimie.u-strasbg.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
www-chimie.u-strasbg.fr SEO score
FR
FR
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Www-chimie.u-strasbg.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 Www-chimie.u-strasbg.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.
www-chimie.u-strasbg.fr
Open Graph description is not detected on the main page of Www Chimie U Strasbg. 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: