5.8 sec in total
1.6 sec
4 sec
258 ms
Welcome to sciencessociales.ens-lyon.fr homepage info - get ready to check Sciences Sociales Ens Lyon best content for France right away, or after learning these important things about sciencessociales.ens-lyon.fr
Visit sciencessociales.ens-lyon.frWe analyzed Sciencessociales.ens-lyon.fr page load time and found that the first response time was 1.6 sec and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
sciencessociales.ens-lyon.fr performance score
name
value
score
weighting
Value2.1 s
82/100
10%
Value62.3 s
0/100
25%
Value6.1 s
44/100
10%
Value170 ms
92/100
30%
Value0.034
100/100
15%
Value8.2 s
41/100
10%
1571 ms
211 ms
1062 ms
215 ms
215 ms
Our browser made a total of 92 requests to load all elements on the main page. We found that 62% of them (57 requests) were addressed to the original Sciencessociales.ens-lyon.fr, 18% (17 requests) were made to Maps.google.com and 11% (10 requests) were made to Maps.gstatic.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Sciencessociales.ens-lyon.fr.
Page size can be reduced by 1.5 MB (52%)
2.8 MB
1.3 MB
In fact, the total size of Sciencessociales.ens-lyon.fr main page is 2.8 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 1.5 MB which makes up the majority of the site volume.
Potential reduce by 55.0 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 55.0 kB or 82% of the original size.
Potential reduce by 169.2 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 Sociales Ens Lyon needs image optimization as it can save up to 169.2 kB or 15% 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 79% of the original size.
Potential reduce by 41.7 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. Sciencessociales.ens-lyon.fr needs all CSS files to be minified and compressed as it can save up to 41.7 kB or 84% of the original size.
Number of requests can be reduced by 57 (66%)
86
29
The browser has sent 86 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sciences Sociales 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 41 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
sciencessociales.ens-lyon.fr
1571 ms
screenstylescharte.css
211 ms
jquery-1.10.2.js
1062 ms
lightbox.css
215 ms
defaut.js
215 ms
menu.js
216 ms
toolbox.js
750 ms
toolbox_new.js
530 ms
csspapi.js
311 ms
dtree.js
529 ms
prototype-1.7.2.js
1080 ms
builder.js
748 ms
effects.js
854 ms
dragdrop.js
948 ms
panier.js
949 ms
vue_onglet.js
1076 ms
function_luncher.js
1075 ms
pagination.js
1075 ms
media.js
1105 ms
lightboxXL.js
1151 ms
player_video.js
1293 ms
player_audio.js
1153 ms
player_photo.js
1154 ms
player_swf.js
1156 ms
showcase.js
1232 ms
swfobject.js
1440 ms
fckeditor.js
1386 ms
js
20 ms
jssor.css
992 ms
jssor.js
1575 ms
jssor.slider.js
1744 ms
flexnav-ens.css
1187 ms
jquery.flexnav-ens.js
1319 ms
jssocials.css
1219 ms
jssocials-theme-ens.css
1274 ms
jssocials.js
1475 ms
tagcloud.jquery.js
1412 ms
modele_ens.js
1565 ms
modele_responsiv.css
1703 ms
dptsciencessociales.css
1509 ms
motif_background.gif
122 ms
onglet_bas.png
123 ms
burger.png
124 ms
loupe.png
124 ms
logo-ens200_1427900130634-png
400 ms
icon-loupe.png
122 ms
picto-deroulement.png
239 ms
dss-bandeau-economie_1423822109208-jpg
703 ms
dss-bandeau-geo_1423822171503-jpg
1135 ms
dss-bandeau-histoire_1423822212047-jpg
1000 ms
dss-bandeau-sciencepo_1423822261421-jpg
1036 ms
dss-bandeau-sociologie_1423822321795-jpg
609 ms
loading.gif
487 ms
fleche.gif
588 ms
bebasneue-webfont.woff
781 ms
common.js
6 ms
map.js
7 ms
util.js
36 ms
marker.js
37 ms
StaticMapService.GetMapImage
250 ms
onion.js
12 ms
openhand_8_8.cur
30 ms
ViewportInfoService.GetViewportInfo
87 ms
stats.js
19 ms
controls.js
17 ms
transparent.png
14 ms
css
30 ms
google4.png
19 ms
mapcnt6.png
14 ms
sv5.png
16 ms
spotlight-poi.png
22 ms
tmapctrl.png
52 ms
cb_scout5.png
54 ms
tmapctrl4.png
54 ms
imgs8.png
53 ms
2UX7WLTfW3W8TclTUvlFyQ.woff
11 ms
RxZJdnzeo3R5zSexge8UUT8E0i7KZn-EPnyo3HZu7kw.woff
50 ms
Hgo13k-tfSpn0qi1SFdUfT8E0i7KZn-EPnyo3HZu7kw.woff
52 ms
d-6IYplOFocCacKzxwXSOD8E0i7KZn-EPnyo3HZu7kw.woff
52 ms
vt
14 ms
vt
22 ms
vt
18 ms
vt
17 ms
vt
19 ms
vt
19 ms
vt
19 ms
vt
19 ms
vt
19 ms
AuthenticationService.Authenticate
127 ms
modele_print.css
103 ms
closelabel.gif
103 ms
loading.gif
104 ms
sciencessociales.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
Image elements do not have [alt] attributes
Links do not have a discernible name
sciencessociales.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
Page has valid source maps
sciencessociales.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
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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 Sciencessociales.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 Sciencessociales.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.
sciencessociales.ens-lyon.fr
Open Graph description is not detected on the main page of Sciences Sociales 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: