1.2 sec in total
548 ms
550 ms
77 ms
Click here to check amazing LISEC Dev U Strasbg content for France. Otherwise, check out these important facts you probably never knew about lisec-dev.u-strasbg.fr
Visit lisec-dev.u-strasbg.frWe analyzed Lisec-dev.u-strasbg.fr page load time and found that the first response time was 548 ms and then it took 627 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
lisec-dev.u-strasbg.fr performance score
name
value
score
weighting
Value5.6 s
5/100
10%
Value6.0 s
13/100
25%
Value7.5 s
26/100
10%
Value140 ms
96/100
30%
Value0.013
100/100
15%
Value6.1 s
63/100
10%
548 ms
Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Lisec-dev.u-strasbg.fr and no external sources were called. The less responsive or slowest element that took the longest time to load (548 ms) belongs to the original domain Lisec-dev.u-strasbg.fr.
Page size can be reduced by 295 B (55%)
539 B
244 B
In fact, the total size of Lisec-dev.u-strasbg.fr main page is 539 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 539 B which makes up the majority of the site volume.
Potential reduce by 295 B
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 160 B, 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 295 B or 55% of the original size.
We found no issues to fix!
0
0
Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.
lisec-dev.u-strasbg.fr
548 ms
lisec-dev.u-strasbg.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
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.
lisec-dev.u-strasbg.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
lisec-dev.u-strasbg.fr 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
Tap targets are not sized appropriately
FR
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lisec-dev.u-strasbg.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 Lisec-dev.u-strasbg.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.
lisec-dev.u-strasbg.fr
Open Graph description is not detected on the main page of LISEC Dev U Strasbg. 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: