10.1 sec in total
994 ms
8.8 sec
337 ms
Welcome to hal.inria.fr homepage info - get ready to check Hal Inria best content for China right away, or after learning these important things about hal.inria.fr
Visit hal.inria.frWe analyzed Hal.inria.fr page load time and found that the first response time was 994 ms and then it took 9.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
hal.inria.fr performance score
name
value
score
weighting
Value5.0 s
10/100
10%
Value7.8 s
3/100
25%
Value6.2 s
43/100
10%
Value30 ms
100/100
30%
Value0.002
100/100
15%
Value7.4 s
49/100
10%
994 ms
1587 ms
1347 ms
1722 ms
2085 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that 37% of them (15 requests) were addressed to the original Hal.inria.fr, 27% (11 requests) were made to Static.ccsd.cnrs.fr and 12% (5 requests) were made to Thumb.ccsd.cnrs.fr. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Static.ccsd.cnrs.fr.
Page size can be reduced by 870.8 kB (63%)
1.4 MB
515.9 kB
In fact, the total size of Hal.inria.fr main page is 1.4 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. 40% of websites need less resources to load. Javascripts take 829.1 kB which makes up the majority of the site volume.
Potential reduce by 35.7 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. This page needs HTML code to be minified as it can gain 6.3 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 35.7 kB or 78% of the original size.
Potential reduce by 27.7 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. Hal Inria images are well optimized though.
Potential reduce by 625.0 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 625.0 kB or 75% of the original size.
Potential reduce by 182.5 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. Hal.inria.fr needs all CSS files to be minified and compressed as it can save up to 182.5 kB or 86% of the original size.
Number of requests can be reduced by 20 (54%)
37
17
The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hal Inria. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
hal.inria.fr
994 ms
hal.inria.fr
1587 ms
ccsd_form.css
1347 ms
jquery-ui-1.10.0.custom.css
1722 ms
bootstrap.css
2085 ms
ccsd.css
1348 ms
hal.css
391 ms
style.css
549 ms
min.1.9.1.js
1906 ms
min.1.10.3.js
2637 ms
jsapi
40 ms
translations.php
548 ms
bootstrap.min.js
1716 ms
form.js
1528 ms
datepicker-en.js
1724 ms
datepicker.js
1899 ms
utile.js
550 ms
MathJax.js
142 ms
print_hal.css
187 ms
16 ms
ui+en.css
4 ms
format+en,default+en,ui+en,corechart+en.I.js
19 ms
TeX-AMS-MML_HTMLorMML.js
34 ms
INRIA_bkgd_body.png
182 ms
OA_h2020.png
541 ms
thumb
1267 ms
Jimis_Logo.png
1725 ms
ccsd.png
181 ms
logo_INRIA.png
184 ms
logo_hal_inria.png
187 ms
INRIA_bandeau_hal.png
186 ms
tampon-hal.jpg
735 ms
sherpa-romeo.gif
360 ms
heloise.gif
361 ms
thumb
1269 ms
thumb
1275 ms
thumb
1277 ms
thumb
1280 ms
glyphicons-halflings-regular.woff
183 ms
piwik.js
2315 ms
OA_h2020.png
931 ms
hal.inria.fr 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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
hal.inria.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Issues were logged in the Issues panel in Chrome Devtools
hal.inria.fr SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hal.inria.fr can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Hal.inria.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.
hal.inria.fr
Open Graph description is not detected on the main page of Hal Inria. 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: