Access louvrelens.fr. Site officiel du musée du Louvre-Lens

Report Summary

About Website

Welcome to louvrelens.fr homepage info - get ready to check Louvre Lens best content for France right away, or after learning these important things about louvrelens.fr

Découvrez le musée, les œuvres de la Galerie du Temps, les expositions temporaires, la programmation et préparez votre visite au Louvre-Lens.

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name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value22.0 s

0/100

25%

SI (Speed Index)

Value13.7 s

2/100

10%

TBT (Total Blocking Time)

Value6,330 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value33.3 s

0/100

10%

louvrelens.fr

263 ms

www.louvrelens.fr

1323 ms

gtm.js

70 ms

style.min.css

330 ms

styles.css

254 ms

Our browser made a total of 95 requests to load all elements on the main page. We found that 66% of them (63 requests) were addressed to the original Louvrelens.fr, 13% (12 requests) were made to Fonts.gstatic.com and 6% (6 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Louvrelens.fr.

Content Size

6.4 MB

After Optimization

6.0 MB

In fact, the total size of Louvrelens.fr main page is 6.4 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. 55% of websites need less resources to load. Images take 5.6 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 211.8 kB

Original 255.1 kB
After minification 240.0 kB
After compression 43.2 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 211.8 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 184.0 kB

Original 5.6 MB
After minification 5.4 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. Louvre Lens images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 38.9 kB

Original 484.6 kB
After minification 484.4 kB
After compression 445.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 726 B

Original 116.1 kB
After minification 116.1 kB
After compression 115.4 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. Louvrelens.fr has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Louvre Lens. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

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

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.

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

Search Engine Optimization Advices

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

High

Links are not crawlable

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/).

High

Document uses legible font sizes

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 Louvrelens.fr 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 Louvrelens.fr 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

louvrelens.fr

Open Graph data is detected on the main page of Louvre Lens. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook:

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Performance

Accessibility

Best Practices

SEO

Site officiel du musée du Louvre-Lens

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)