2.9 sec in total
552 ms
2 sec
349 ms
Welcome to research.pasteur.fr homepage info - get ready to check Research Pasteur best content for France right away, or after learning these important things about research.pasteur.fr
Home page
Visit research.pasteur.frWe analyzed Research.pasteur.fr page load time and found that the first response time was 552 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster. This domain responded with an error, which can significantly jeopardize Research.pasteur.fr rating and web reputation
research.pasteur.fr performance score
name
value
score
weighting
Value3.5 s
35/100
10%
Value6.1 s
12/100
25%
Value9.0 s
14/100
10%
Value3,520 ms
1/100
30%
Value0.006
100/100
15%
Value9.9 s
27/100
10%
552 ms
106 ms
42 ms
101 ms
76 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 69% of them (34 requests) were addressed to the original Research.pasteur.fr, 12% (6 requests) were made to Fonts.gstatic.com and 8% (4 requests) were made to Researchpullzone-yhello.netdna-ssl.com. The less responsive or slowest element that took the longest time to load (552 ms) belongs to the original domain Research.pasteur.fr.
Page size can be reduced by 262.4 kB (26%)
1.0 MB
766.4 kB
In fact, the total size of Research.pasteur.fr 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. 45% of websites need less resources to load. Images take 667.1 kB which makes up the majority of the site volume.
Potential reduce by 48.4 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 48.4 kB or 82% of the original size.
Potential reduce by 22 B
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. Research Pasteur images are well optimized though.
Potential reduce by 91.1 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 91.1 kB or 58% of the original size.
Potential reduce by 122.9 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. Research.pasteur.fr needs all CSS files to be minified and compressed as it can save up to 122.9 kB or 85% of the original size.
Number of requests can be reduced by 9 (24%)
37
28
The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Research Pasteur. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
research.pasteur.fr
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jquery.fancybox-1.3.7.min.css
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jquery.js
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research.pasteur.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
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[aria-*] attributes are not valid or misspelled
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
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.
research.pasteur.fr 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
research.pasteur.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
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Research.pasteur.fr can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it does not match the claimed English language. Our system also found out that Research.pasteur.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.
research.pasteur.fr
Open Graph data is detected on the main page of Research Pasteur. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: