5.5 sec in total
296 ms
4.8 sec
402 ms
Visit insa-lyon.fr now to see the best up-to-date INSA Lyon content for France and also check out these interesting facts you probably never knew about insa-lyon.fr
Visit insa-lyon.frWe analyzed Insa-lyon.fr page load time and found that the first response time was 296 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
insa-lyon.fr performance score
name
value
score
weighting
Value7.2 s
1/100
10%
Value19.7 s
0/100
25%
Value14.8 s
1/100
10%
Value6,700 ms
0/100
30%
Value0.14
79/100
15%
Value20.3 s
2/100
10%
296 ms
1470 ms
102 ms
204 ms
289 ms
Our browser made a total of 201 requests to load all elements on the main page. We found that 59% of them (119 requests) were addressed to the original Insa-lyon.fr, 12% (25 requests) were made to Maps.googleapis.com and 11% (22 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Insa-lyon.fr.
Page size can be reduced by 1.4 MB (36%)
3.9 MB
2.5 MB
In fact, the total size of Insa-lyon.fr main page is 3.9 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.5 MB which makes up the majority of the site volume.
Potential reduce by 63.8 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 63.8 kB or 82% of the original size.
Potential reduce by 363.4 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, INSA Lyon needs image optimization as it can save up to 363.4 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 684.8 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 684.8 kB or 71% of the original size.
Potential reduce by 279.7 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. Insa-lyon.fr needs all CSS files to be minified and compressed as it can save up to 279.7 kB or 88% of the original size.
Number of requests can be reduced by 85 (44%)
192
107
The browser has sent 192 CSS, Javascripts, AJAX and image requests in order to completely render the main page of INSA 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 53 to 1 for JavaScripts and from 28 to 1 for CSS and as a result speed up the page load time.
insa-lyon.fr
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insa-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
<frame> or <iframe> elements do not have a title
Form elements do not have associated labels
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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.
insa-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
Browser errors were logged to the console
insa-lyon.fr SEO score
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 Insa-lyon.fr 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 Insa-lyon.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.
insa-lyon.fr
Open Graph description is not detected on the main page of INSA 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: