2.5 sec in total
364 ms
1.4 sec
710 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 364 ms and then it took 2.2 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
Value1.5 s
95/100
10%
Value6.0 s
13/100
25%
Value3.2 s
92/100
10%
Value270 ms
82/100
30%
Value0.022
100/100
15%
Value5.4 s
72/100
10%
364 ms
725 ms
167 ms
259 ms
88 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that 98% of them (52 requests) were addressed to the original Coursathome.lu, 2% (1 request) were made to Sgtm.coursathome.lu. The less responsive or slowest element that took the longest time to load (725 ms) relates to the external source Sgtm.coursathome.lu.
Page size can be reduced by 80.0 kB (8%)
1.0 MB
925.7 kB
In fact, the total size of Coursathome.lu main page is 1.0 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. 50% of websites need less resources to load. Images take 710.2 kB which makes up the majority of the site volume.
Potential reduce by 80.0 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 26.6 kB, which is 27% 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 80.0 kB or 82% of the original size.
Potential reduce by 0 B
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 12 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 0 B
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.
We found no issues to fix!
49
49
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cours At Home. According to our analytics all requests are already optimized.
coursathome.lu
364 ms
kpjpfqqb.js
725 ms
app.css
167 ms
vendor.js
259 ms
go-top.png
88 ms
logo-white.svg
154 ms
home-cover.jpg
456 ms
logo-white.svg
166 ms
logo.gif
251 ms
cours-primaire-menu.jpg
250 ms
cours-secondaire-menu.jpg
317 ms
cours-adultes-menu.jpg
249 ms
cours-luxembourgeois-menu.jpg
332 ms
cours-allemand-menu.jpg
414 ms
cours-francais-menu.jpg
336 ms
cours-anglais-menu.jpg
340 ms
menu.jpg
383 ms
menu.jpg
417 ms
menu.jpg
421 ms
devenir-enseignant-menu.jpg
421 ms
deja-enseignant-menu.jpg
459 ms
arrow-deco.svg
498 ms
arrow-deco-strong.svg
500 ms
giordano.jpg
505 ms
karin.jpg
510 ms
eric.jpg
531 ms
giordano-petite.jpg
535 ms
karin-petite.jpg
580 ms
eric-petite.jpg
581 ms
anne.jpg
590 ms
lynn.jpg
591 ms
dan.jpg
608 ms
anne-petite.jpg
610 ms
lynn-petite.jpg
666 ms
dan-petite.jpg
667 ms
logo-andbank.jpg
679 ms
logo-aucoeurdusoleil.jpg
678 ms
logo-creahaus.jpg
694 ms
logo-createrra.jpg
696 ms
freightdispblack-webfont.woff
672 ms
freightdispbold-webfont.woff
609 ms
montserrat-regular-webfont.woff
618 ms
logo-ef.jpg
535 ms
logo-entrapaulus.jpg
534 ms
logo-fondation.jpg
533 ms
app.js
531 ms
logo-kaefer.jpg
526 ms
logo-m3.jpg
614 ms
logo-soludec.jpg
608 ms
logo-poeckes.jpg
604 ms
logo-raiffeisenbank.jpg
562 ms
logo-ministeredelasante.jpg
535 ms
logo-big.svg
533 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
EN
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 matches the claimed 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: