Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

citroen.lu

Voitures neuves | Constructeur automobile | Citroën

Page Load Speed

10 sec in total

First Response

348 ms

Resources Loaded

9.1 sec

Page Rendered

485 ms

citroen.lu screenshot

About Website

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

Bienvenue sur le site officiel de Citroën Luxembourg. SUV, citadine, Berline… Découvrez toute notre gamme de véhicules et services exclusifs.

Visit citroen.lu

Key Findings

We analyzed Citroen.lu page load time and found that the first response time was 348 ms and then it took 9.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

citroen.lu performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value12.5 s

0/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value2,400 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.965

2/100

15%

TTI (Time to Interactive)

Value12.3 s

15/100

10%

Network Requests Diagram

citroen.lu

348 ms

www.citroen.lu

2022 ms

main.css

181 ms

main.css

397 ms

lang.js.php

230 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 10% of them (11 requests) were addressed to the original Citroen.lu, 76% (87 requests) were made to Media.citroen.lu and 3% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4.1 sec) relates to the external source Media.citroen.lu.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.4 MB (59%)

Content Size

4.1 MB

After Optimization

1.7 MB

In fact, the total size of Citroen.lu main page is 4.1 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 340.1 kB

  • Original 374.1 kB
  • After minification 207.0 kB
  • After compression 34.1 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 167.1 kB, which is 45% 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 340.1 kB or 91% of the original size.

Image Optimization

-4%

Potential reduce by 43.3 kB

  • Original 1.1 MB
  • After minification 1.1 MB

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. Citroen images are well optimized though.

JavaScript Optimization

-74%

Potential reduce by 1.1 MB

  • Original 1.5 MB
  • After minification 1.3 MB
  • After compression 395.7 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 1.1 MB or 74% of the original size.

CSS Optimization

-87%

Potential reduce by 871.9 kB

  • Original 1.0 MB
  • After minification 990.1 kB
  • After compression 133.8 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. Citroen.lu needs all CSS files to be minified and compressed as it can save up to 871.9 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (30%)

Requests Now

112

After Optimization

78

The browser has sent 112 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Citroen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

citroen.lu accessibility score

81

Accessibility Issues

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

High

[aria-*] attributes do not match their roles

High

[role]s do not have all required [aria-*] attributes

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

citroen.lu best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

citroen.lu SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Citroen.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 Citroen.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 data is detected on the main page of Citroen. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: