5.2 sec in total
1.1 sec
3.9 sec
185 ms
Click here to check amazing Labo content for Luxembourg. Otherwise, check out these important facts you probably never knew about labo.lu
Visit labo.luWe analyzed Labo.lu page load time and found that the first response time was 1.1 sec and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
labo.lu performance score
name
value
score
weighting
Value5.6 s
6/100
10%
Value9.7 s
0/100
25%
Value7.9 s
22/100
10%
Value130 ms
96/100
30%
Value0.189
65/100
15%
Value8.3 s
40/100
10%
1102 ms
103 ms
205 ms
282 ms
714 ms
Our browser made a total of 34 requests to load all elements on the main page. We found that 97% of them (33 requests) were addressed to the original Labo.lu, 3% (1 request) were made to Statistik.labo.lu. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Labo.lu.
Page size can be reduced by 357.9 kB (81%)
443.8 kB
85.9 kB
In fact, the total size of Labo.lu main page is 443.8 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. 30% of websites need less resources to load. Javascripts take 339.6 kB which makes up the majority of the site volume.
Potential reduce by 28.4 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 28.4 kB or 81% of the original size.
Potential reduce by 2.9 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. Obviously, Labo needs image optimization as it can save up to 2.9 kB or 62% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 269.5 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 269.5 kB or 79% of the original size.
Potential reduce by 57.1 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. Labo.lu needs all CSS files to be minified and compressed as it can save up to 57.1 kB or 89% of the original size.
Number of requests can be reduced by 12 (39%)
31
19
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Labo. 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.
home.html
1102 ms
stylesheet_7b1d27e5dd.css
103 ms
lightwindow.css
205 ms
javascript_93077bb238.js
282 ms
labo_style.css
714 ms
anzeigeoptionen.js
297 ms
overlib.js
509 ms
prototype.js
515 ms
scriptaculous.js
310 ms
lightwindow.js
473 ms
labo_style.css
115 ms
effects.js
107 ms
bg_header.png
102 ms
index.php
392 ms
index.php
245 ms
fr_FR.gif
106 ms
de.gif
100 ms
en.gif
198 ms
index.php
402 ms
index.php
324 ms
index.php
494 ms
header_search_right_edge_button.png
345 ms
index.php
1178 ms
Header_NewsBox.png
426 ms
icon_li_events.png
445 ms
icon_li_values.png
483 ms
index.php
704 ms
index.php
760 ms
index.php
842 ms
index.php
805 ms
index.php
848 ms
index.php
990 ms
piwik.js
670 ms
black-70.png
436 ms
labo.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
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.
labo.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
labo.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
Tap targets are not sized appropriately
EN
FR
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Labo.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 Labo.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.
labo.lu
Open Graph description is not detected on the main page of Labo. 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: