12.6 sec in total
664 ms
11.8 sec
133 ms
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Visit coursier.comWe analyzed Coursier.com page load time and found that the first response time was 664 ms and then it took 12 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
coursier.com performance score
name
value
score
weighting
Value2.1 s
81/100
10%
Value3.0 s
78/100
25%
Value3.3 s
90/100
10%
Value2,330 ms
5/100
30%
Value0.284
42/100
15%
Value12.0 s
16/100
10%
664 ms
324 ms
164 ms
165 ms
164 ms
Our browser made a total of 24 requests to load all elements on the main page. We found that 92% of them (22 requests) were addressed to the original Coursier.com, 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (10.5 sec) belongs to the original domain Coursier.com.
Page size can be reduced by 158.7 kB (27%)
586.7 kB
428.0 kB
In fact, the total size of Coursier.com main page is 586.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 379.2 kB which makes up the majority of the site volume.
Potential reduce by 38.0 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 38.0 kB or 78% of the original size.
Potential reduce by 30.9 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. Coursier images are well optimized though.
Potential reduce by 89.9 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 89.9 kB or 57% of the original size.
Number of requests can be reduced by 7 (32%)
22
15
The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Coursier. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.
www.coursier.com
664 ms
jquery.min.js
324 ms
mmc.js
164 ms
jquery.mousewheel-3.0.4.pack.js
165 ms
jquery.easing-1.3.pack.js
164 ms
jquery.fancybox-1.3.4.pack.js
244 ms
jquery.cycle2.min.js
244 ms
analytics.js
28 ms
logoblanc.png
161 ms
lect-pat.png
83 ms
coursier-express-45-minutes.png
242 ms
coursier-en-ligne.png
243 ms
patron-incognito-karine-cohen.png
401 ms
histoire-coursier.png
199 ms
picto.png
321 ms
Karine-cohen-croissance-plus.png
399 ms
e_commerce.png
280 ms
decouvrir-clark.png
641 ms
service-client.png
401 ms
Logonoir.jpg
439 ms
collect
29 ms
suivi_niv1.jpg
439 ms
overlay-bg.gif
642 ms
server.php
10524 ms
coursier.com 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.
coursier.com 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
Browser errors were logged to the console
Page has valid source maps
coursier.com 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
FR
FR
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coursier.com 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 Coursier.com 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.
coursier.com
Open Graph description is not detected on the main page of Coursier. 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: