4.8 sec in total
1 sec
3.4 sec
350 ms
Click here to check amazing Sciences Dessinees Ens Lyon content for France. Otherwise, check out these important facts you probably never knew about sciencesdessinees.ens-lyon.fr
Visit sciencesdessinees.ens-lyon.frWe analyzed Sciencesdessinees.ens-lyon.fr page load time and found that the first response time was 1 sec and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
sciencesdessinees.ens-lyon.fr performance score
name
value
score
weighting
Value16.5 s
0/100
10%
Value16.7 s
0/100
25%
Value16.5 s
0/100
10%
Value310 ms
77/100
30%
Value0.239
52/100
15%
Value20.1 s
2/100
10%
1031 ms
202 ms
784 ms
204 ms
206 ms
Our browser made a total of 87 requests to load all elements on the main page. We found that 59% of them (51 requests) were addressed to the original Sciencesdessinees.ens-lyon.fr, 22% (19 requests) were made to Maps.googleapis.com and 11% (10 requests) were made to Maps.gstatic.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Sciencesdessinees.ens-lyon.fr.
Page size can be reduced by 1.4 MB (66%)
2.1 MB
717.6 kB
In fact, the total size of Sciencesdessinees.ens-lyon.fr main page is 2.1 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. 55% of websites need less resources to load. Javascripts take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 49.3 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 49.3 kB or 77% of the original size.
Potential reduce by 71.3 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, Sciences Dessinees Ens Lyon needs image optimization as it can save up to 71.3 kB or 17% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 1.2 MB
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 1.2 MB or 78% of the original size.
Potential reduce by 41.6 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. Sciencesdessinees.ens-lyon.fr needs all CSS files to be minified and compressed as it can save up to 41.6 kB or 84% of the original size.
Number of requests can be reduced by 57 (70%)
81
24
The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sciences Dessinees Ens Lyon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 42 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
sciencesdessinees.ens-lyon.fr
1031 ms
screenstylescharte.css
202 ms
jquery-1.10.2.js
784 ms
lightbox.css
204 ms
defaut.js
206 ms
menu.js
202 ms
toolbox.js
683 ms
toolbox_new.js
493 ms
csspapi.js
396 ms
dtree.js
300 ms
prototype-1.7.2.js
979 ms
builder.js
589 ms
effects.js
956 ms
dragdrop.js
919 ms
panier.js
811 ms
vue_onglet.js
875 ms
function_luncher.js
879 ms
pagination.js
880 ms
media.js
974 ms
lightboxXL.js
1362 ms
player_video.js
1073 ms
player_audio.js
1015 ms
player_photo.js
1052 ms
player_swf.js
1069 ms
showcase.js
1074 ms
swfobject.js
1249 ms
fckeditor.js
1148 ms
js
20 ms
jssor.css
927 ms
jssor.js
1315 ms
jssor.slider.js
1606 ms
flexnav-ens.css
1009 ms
jquery.flexnav-ens.js
1156 ms
jssocials.css
1101 ms
jssocials-theme-ens.css
1102 ms
jssocials.js
1391 ms
tagcloud.jquery.js
1295 ms
modele_ens.js
1408 ms
modele_responsiv.css
1541 ms
motif_background.gif
110 ms
onglet_bas.png
110 ms
burger.png
109 ms
loupe.png
109 ms
logo-ens200_1427900130634-png
486 ms
icon-loupe.png
110 ms
picto-deroulement.png
207 ms
sciences-dessinees-montaigne1_1424165009377-jpg
826 ms
ens-pw.js
567 ms
common.js
8 ms
map.js
17 ms
util.js
17 ms
marker.js
17 ms
bebasneue-webfont.woff
253 ms
StaticMapService.GetMapImage
226 ms
onion.js
25 ms
openhand_8_8.cur
34 ms
ViewportInfoService.GetViewportInfo
96 ms
stats.js
14 ms
controls.js
10 ms
transparent.png
27 ms
css
46 ms
google4.png
30 ms
mapcnt6.png
22 ms
sv5.png
23 ms
spotlight-poi.png
24 ms
tmapctrl.png
23 ms
cb_scout5.png
24 ms
tmapctrl4.png
21 ms
imgs8.png
23 ms
zN7GBFwfMP4uA6AR0HCoLQ.ttf
14 ms
RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
16 ms
Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf
16 ms
d-6IYplOFocCacKzxwXSOKCWcynf_cDxXwCLxiixG1c.ttf
17 ms
vt
80 ms
vt
19 ms
vt
85 ms
vt
18 ms
vt
81 ms
vt
34 ms
vt
37 ms
vt
87 ms
vt
75 ms
AuthenticationService.Authenticate
122 ms
ens-pw.php
294 ms
modele_print.css
99 ms
closelabel.gif
102 ms
loading.gif
102 ms
sciencesdessinees.ens-lyon.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.
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
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.
sciencesdessinees.ens-lyon.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
Browser errors were logged to the console
sciencesdessinees.ens-lyon.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
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 Sciencesdessinees.ens-lyon.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 Sciencesdessinees.ens-lyon.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.
sciencesdessinees.ens-lyon.fr
Open Graph description is not detected on the main page of Sciences Dessinees Ens Lyon. 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: