2.8 sec in total
202 ms
2.4 sec
149 ms
Click here to check amazing IESF content for France. Otherwise, check out these important facts you probably never knew about iesf.fr
Actualités - IESF
Visit iesf.frWe analyzed Iesf.fr page load time and found that the first response time was 202 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
iesf.fr performance score
name
value
score
weighting
Value4.5 s
14/100
10%
Value5.2 s
23/100
25%
Value5.4 s
56/100
10%
Value420 ms
66/100
30%
Value0.367
29/100
15%
Value9.2 s
32/100
10%
202 ms
1143 ms
37 ms
416 ms
330 ms
Our browser made a total of 31 requests to load all elements on the main page. We found that 68% of them (21 requests) were addressed to the original Iesf.fr, 6% (2 requests) were made to Fonts.gstatic.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Iesf.fr.
Page size can be reduced by 64.1 kB (8%)
803.6 kB
739.5 kB
In fact, the total size of Iesf.fr main page is 803.6 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. Javascripts take 473.1 kB which makes up the majority of the site volume.
Potential reduce by 21.7 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 21.7 kB or 75% of the original size.
Potential reduce by 14.6 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. IESF images are well optimized though.
Potential reduce by 27.6 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. This website has mostly compressed JavaScripts.
Potential reduce by 159 B
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. Iesf.fr has all CSS files already compressed.
Number of requests can be reduced by 13 (50%)
26
13
The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IESF. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
iesf.fr
202 ms
www.iesf.fr
1143 ms
api.js
37 ms
index.js
416 ms
jquery.min.js
330 ms
jquery.flexnav.min.js
246 ms
jquery-migrate.min.js
248 ms
slick.min.js
330 ms
script_boutique.js
459 ms
css
35 ms
icomoon.css
365 ms
organisation.php
463 ms
recaptcha__en.js
22 ms
twitter-x-logo-101C7D2420-seeklogo.com.png
112 ms
fleche.png
113 ms
logo_iesf.jpg
119 ms
752_imgM_050820_150704.png
106 ms
Alb_2287_1200_752_imgO_140624_154557.jpg
163 ms
Alb_2287_1200_752_imgO_190224_170700.png
166 ms
Alb_2287_1200_752_imgO_120121_113517.jpg
424 ms
icomoon.woff
245 ms
ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWyosBO5Xk.ttf
51 ms
ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyVVpcBO5Xk.ttf
52 ms
analytics.js
56 ms
ga.js
41 ms
sprite.png
91 ms
blank.gif
193 ms
__utm.gif
15 ms
collect
13 ms
js
64 ms
accueil_print.css
83 ms
iesf.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 input fields do not have accessible names
ARIA toggle fields do not have accessible names
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Form elements do not have associated labels
Links do not have a discernible name
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.
iesf.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
Missing source maps for large first-party JavaScript
iesf.fr SEO score
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
N/A
FR
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iesf.fr can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is French. Our system also found out that Iesf.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.
iesf.fr
Open Graph description is not detected on the main page of IESF. 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: