Tools & Wizards About Us

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 96% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

rotondes.lu

Page d'accueil | Rotondes - Explorations culturelles

Page Load Speed

3.1 sec in total

First Response

793 ms

Resources Loaded

2.1 sec

Page Rendered

206 ms

About Website

Visit rotondes.lu now to see the best up-to-date Rotondes content for Luxembourg and also check out these interesting facts you probably never knew about rotondes.lu

Sur un site exceptionnel constitué de deux anciennes remises de locomotives à la gare de Luxembourg, les Rotondes proposent des manifestations dans les domaines des arts de la scène, des musiques actu...

Visit rotondes.lu

Key Findings

We analyzed Rotondes.lu page load time and found that the first response time was 793 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

rotondes.lu performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value7.4 s

27/100

10%

TBT (Total Blocking Time)

Value1,050 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0.061

97/100

15%

TTI (Time to Interactive)

Value6.7 s

57/100

10%

Network Requests Diagram

rotondes.lu

793 ms

stylesheet_14fc909b28.css

166 ms

reset.css

174 ms

style.css

175 ms

modernizr.custom.53930.js

174 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 96% of them (67 requests) were addressed to the original Rotondes.lu, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Static.addtoany.com. The less responsive or slowest element that took the longest time to load (793 ms) belongs to the original domain Rotondes.lu.

Page Optimization Overview & Recommendations

Page size can be reduced by 367.7 kB (52%)

Content Size

713.6 kB

After Optimization

345.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rotondes.lu main page is 713.6 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. 40% of websites need less resources to load. Javascripts take 390.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 51.5 kB

  • Original 66.8 kB
  • After minification 65.9 kB
  • After compression 15.4 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 51.5 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 3.7 kB

  • Original 198.7 kB
  • After minification 195.0 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. Rotondes images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 262.9 kB

  • Original 390.9 kB
  • After minification 353.9 kB
  • After compression 127.9 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 262.9 kB or 67% of the original size.

CSS Optimization

-87%

Potential reduce by 49.7 kB

  • Original 57.2 kB
  • After minification 54.6 kB
  • After compression 7.5 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. Rotondes.lu needs all CSS files to be minified and compressed as it can save up to 49.7 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (43%)

Requests Now

69

After Optimization

39

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rotondes. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

rotondes.lu accessibility score

99

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

rotondes.lu best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

rotondes.lu SEO score

98

Search Engine Optimization Advices

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rotondes.lu 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 Rotondes.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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Rotondes. 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: