5.6 sec in total
258 ms
5 sec
310 ms
Click here to check amazing Lux Dev content for Benin. Otherwise, check out these important facts you probably never knew about luxdev.lu
Visit luxdev.luWe analyzed Luxdev.lu page load time and found that the first response time was 258 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
luxdev.lu performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value5.4 s
20/100
25%
Value16.1 s
0/100
10%
Value190 ms
90/100
30%
Value0.06
98/100
15%
Value6.0 s
64/100
10%
258 ms
197 ms
24 ms
482 ms
1247 ms
Our browser made a total of 34 requests to load all elements on the main page. We found that 82% of them (28 requests) were addressed to the original Luxdev.lu, 9% (3 requests) were made to Fonts.gstatic.com and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Luxdev.lu.
Page size can be reduced by 181.6 kB (14%)
1.3 MB
1.2 MB
In fact, the total size of Luxdev.lu main page is 1.3 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. 25% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 14.4 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 14.4 kB or 73% of the original size.
Potential reduce by 18.9 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. Lux Dev images are well optimized though.
Potential reduce by 96.4 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 96.4 kB or 59% of the original size.
Potential reduce by 51.9 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. Luxdev.lu needs all CSS files to be minified and compressed as it can save up to 51.9 kB or 81% of the original size.
Number of requests can be reduced by 6 (20%)
30
24
The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lux Dev. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
fr
258 ms
style.css
197 ms
css
24 ms
jquery.js
482 ms
modernizr.js
1247 ms
jQueryRotateCompressed.2.2.js
2288 ms
script.js
3389 ms
datepicker.js
2385 ms
elements.js
289 ms
datepicker.css
198 ms
disk_jockey_31.jpg
892 ms
ld_mail.png
105 ms
logo-sans-small.png
103 ms
TheGlobalGoals_Logo_and_Iconss.jpg
398 ms
Seti_%C3%A9cole_2.jpg
301 ms
NIC018.jpeg
396 ms
vaisselleNiger.jpg
387 ms
TheGlobalGoals_Logo_and_Iconss_thumb.jpeg
194 ms
Seti_%C3%A9cole_2_thumb.jpeg
197 ms
NIC018_thumb.jpeg
291 ms
vaisselleNiger_thumb.jpg
297 ms
LTAP_de_StLouis_v21.jpg
580 ms
VIE1.png
890 ms
epi5_w.jpg
400 ms
ISO_alt.png
481 ms
DSC_0042.jpg
894 ms
ga.js
9 ms
blackBox.png
483 ms
languette.png
483 ms
__utm.gif
11 ms
arrow.png
415 ms
q5TOjIw4CenPw6C-TW06FqEIpwaexIb52HBYsHbHBeA.ttf
9 ms
Z-Q1hzbY8uAo3TpTyPFMXStgOkza8-IgufpcxDXwA4k.ttf
40 ms
gk5FxslNkTTHtojXrkp-xJhsE6jcpsD2oq89kgohWx0.ttf
40 ms
luxdev.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
luxdev.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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
luxdev.lu SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
FR
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Luxdev.lu 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 Luxdev.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.
luxdev.lu
Open Graph description is not detected on the main page of Lux Dev. 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: