2.7 sec in total
614 ms
1.7 sec
293 ms
Welcome to coursathome.lu homepage info - get ready to check Cours At Home best content for Luxembourg right away, or after learning these important things about coursathome.lu
The leader in Luxembourg for over 10 years, Cours at Home is the simple and quick solution to get you started on your private lessons.
Visit coursathome.luWe analyzed Coursathome.lu page load time and found that the first response time was 614 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
coursathome.lu performance score
name
value
score
weighting
Value1.6 s
95/100
10%
Value8.7 s
1/100
25%
Value4.4 s
75/100
10%
Value1,040 ms
26/100
30%
Value1
2/100
15%
Value8.1 s
42/100
10%
614 ms
173 ms
191 ms
375 ms
421 ms
Our browser made a total of 30 requests to load all elements on the main page. We found that 90% of them (27 requests) were addressed to the original Coursathome.lu, 7% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (722 ms) belongs to the original domain Coursathome.lu.
Page size can be reduced by 245.6 kB (31%)
793.0 kB
547.4 kB
In fact, the total size of Coursathome.lu main page is 793.0 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. 20% of websites need less resources to load. Images take 495.4 kB which makes up the majority of the site volume.
Potential reduce by 17.0 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. This page needs HTML code to be minified as it can gain 2.6 kB, which is 12% 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 17.0 kB or 79% of the original size.
Potential reduce by 36.5 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. Cours At Home images are well optimized though.
Potential reduce by 170.2 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 170.2 kB or 68% of the original size.
Potential reduce by 21.8 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. Coursathome.lu needs all CSS files to be minified and compressed as it can save up to 21.8 kB or 85% of the original size.
Number of requests can be reduced by 12 (43%)
28
16
The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cours At Home. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
coursathome.lu
614 ms
coursathome_v_aout2014.css
173 ms
admin.css
191 ms
mootools-core-1.4.5-full-nocompat-yc.js
375 ms
mootools-more-1.4.0.1.js
421 ms
Loop.js
187 ms
SlideShow.js
190 ms
SlideShow2.js
262 ms
analytics.js
94 ms
dot-dot.png
116 ms
top-bkg-l.png
114 ms
top-bkg-r.png
121 ms
logo-coursathome.png
188 ms
Flag_of_the_United_Kingdom.png
121 ms
Flag_France.png
113 ms
numero_coursathome.jpg
449 ms
inscris_mon_enfant_3.jpg
383 ms
rejoignez_equipe_prof_2.jpg
381 ms
rejoignez-nous-facebook.jpg
286 ms
triangle-r-link.png
199 ms
logo_luxair2.jpg
283 ms
ef_logo.jpg
677 ms
stageallemand.jpg
476 ms
adultes.jpg
679 ms
prof.jpg
722 ms
tick2.png
511 ms
dot-dot-single.png
547 ms
triangle-wsr.png
571 ms
collect
22 ms
collect
88 ms
coursathome.lu 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.
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 IDs are not unique
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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.
coursathome.lu 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
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
coursathome.lu SEO score
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
EN
FR
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Coursathome.lu can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed French language. Our system also found out that Coursathome.lu 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.
coursathome.lu
Open Graph description is not detected on the main page of Cours At Home. 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: