5.8 sec in total
329 ms
5 sec
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Welcome to ingenieur-insa.fr homepage info - get ready to check Ingenieur INSA best content right away, or after learning these important things about ingenieur-insa.fr
Le site de la communauté de TOUS les élèves & diplômés INSA LYON. Ingénieurs, Mastères, Doctorants...
Visit ingenieur-insa.frWe analyzed Ingenieur-insa.fr page load time and found that the first response time was 329 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
ingenieur-insa.fr performance score
name
value
score
weighting
Value7.6 s
0/100
10%
Value18.3 s
0/100
25%
Value16.5 s
0/100
10%
Value1,330 ms
17/100
30%
Value0.011
100/100
15%
Value20.4 s
2/100
10%
329 ms
333 ms
2214 ms
172 ms
238 ms
Our browser made a total of 123 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Ingenieur-insa.fr, 77% (95 requests) were made to Alumni-insa-lyon.org and 11% (14 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Alumni-insa-lyon.org.
Page size can be reduced by 390.7 kB (26%)
1.5 MB
1.1 MB
In fact, the total size of Ingenieur-insa.fr main page is 1.5 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. Javascripts take 814.6 kB which makes up the majority of the site volume.
Potential reduce by 167.2 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 59.5 kB, which is 30% 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 167.2 kB or 85% of the original size.
Potential reduce by 39.2 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, Ingenieur INSA needs image optimization as it can save up to 39.2 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 166.7 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 166.7 kB or 20% of the original size.
Potential reduce by 17.6 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. Ingenieur-insa.fr needs all CSS files to be minified and compressed as it can save up to 17.6 kB or 12% of the original size.
Number of requests can be reduced by 65 (59%)
110
45
The browser has sent 110 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ingenieur INSA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 42 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.
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ingenieur-insa.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-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
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
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.
ingenieur-insa.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
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
ingenieur-insa.fr SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
FR
FR
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ingenieur-insa.fr can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it matches the claimed language. Our system also found out that Ingenieur-insa.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.
ingenieur-insa.fr
Open Graph data is detected on the main page of Ingenieur INSA. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: