5.9 sec in total
2.2 sec
3.3 sec
306 ms
Click here to check amazing IDDRI content for France. Otherwise, check out these important facts you probably never knew about iddri.org
IDDRI, Institut du developpement durable
Visit iddri.orgWe analyzed Iddri.org page load time and found that the first response time was 2.2 sec and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
iddri.org performance score
name
value
score
weighting
Value3.4 s
38/100
10%
Value8.8 s
1/100
25%
Value5.9 s
48/100
10%
Value150 ms
95/100
30%
Value0.003
100/100
15%
Value7.6 s
46/100
10%
2222 ms
33 ms
635 ms
822 ms
902 ms
Our browser made a total of 42 requests to load all elements on the main page. We found that 76% of them (32 requests) were addressed to the original Iddri.org, 10% (4 requests) were made to Fonts.gstatic.com and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Iddri.org.
Page size can be reduced by 637.8 kB (64%)
1.0 MB
363.7 kB
In fact, the total size of Iddri.org main page is 1.0 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 706.2 kB which makes up the majority of the site volume.
Potential reduce by 48.5 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 48.5 kB or 70% of the original size.
Potential reduce by 17.8 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, IDDRI needs image optimization as it can save up to 17.8 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 504.0 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 504.0 kB or 71% of the original size.
Potential reduce by 67.5 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. Iddri.org needs all CSS files to be minified and compressed as it can save up to 67.5 kB or 85% of the original size.
Number of requests can be reduced by 8 (22%)
37
29
The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of IDDRI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
www.iddri.org
2222 ms
css
33 ms
style.fck.css
635 ms
style.new.css
822 ms
jquery-1.6.js
902 ms
jquery.addons.js
829 ms
Tools.js
672 ms
v0SdcGFAl2aezM9Vq_aFTQ.ttf
31 ms
nj47mAZe0mYUIySgfn0wpQ.ttf
40 ms
DvlFBScY1r-FMtZSYIYoYw.ttf
41 ms
style.print.css
112 ms
sprite-homepage.png
121 ms
iddri.png
123 ms
socialnetwork.png
121 ms
la-lettre-de-l-iddri.png
121 ms
bouton-inscription.png
123 ms
menu-spacer.png
238 ms
global-links-arrow.png
241 ms
main-rounded.png
238 ms
sciencespo.png
239 ms
slider-conferenceiddri2016-2_resized_420x243.jpg
241 ms
bloc-homepage.png
241 ms
twilight-electricity_640.jpg
242 ms
sprite-button-readmore.png
242 ms
Invaluable-biodiversity1-1600x580.jpg
311 ms
sky-oceanindien_640.jpg
257 ms
africa_640.jpg
256 ms
NATURE_SCIENCE_SOCIETE.jpg
329 ms
footer-background.png
359 ms
ga.js
42 ms
addthis_widget.js
17 ms
bYbkq2nU2TSx4SwFbz5sCInF5uFdDttMLvmWuJdhhgs.ttf
119 ms
sprite-homepage-buttons.png
275 ms
puce-download.png
278 ms
__utm.gif
88 ms
IB0416.jpg
138 ms
ST0116.jpg
118 ms
WP0516.jpg
100 ms
WP0416.jpg
128 ms
IB0316.jpg
324 ms
300lo.json
17 ms
sh.8e5f85691f9aaa082472a194.html
59 ms
iddri.org accessibility score
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
Buttons do not have an accessible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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 IDs are not unique
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
iddri.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
iddri.org 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
FR
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iddri.org can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Iddri.org 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.
iddri.org
Open Graph description is not detected on the main page of IDDRI. 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: