Tools & Wizards About Us
ladefense.fr screenshot

Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

ladefense.fr

Paris La Défense : site officiel du territoire de La Défense à Paris

Page Load Speed

7.6 sec in total

First Response

217 ms

Resources Loaded

6.8 sec

Page Rendered

573 ms

ladefense.fr screenshot

About Website

Welcome to ladefense.fr homepage info - get ready to check La De Fense best content for France right away, or after learning these important things about ladefense.fr

Retrouvez toutes les infos pratiques, les actualités et événements du 1er quartier d'affaires d'Europe : Paris La Défense

Visit ladefense.fr

Key Findings

We analyzed Ladefense.fr page load time and found that the first response time was 217 ms and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

ladefense.fr performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

59/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value230 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value5.3 s

73/100

10%

Network Requests Diagram

ladefense.fr

217 ms

www.ladefense.fr

1817 ms

system.base.css

165 ms

system.menus.css

166 ms

system.messages.css

167 ms

Our browser made a total of 228 requests to load all elements on the main page. We found that 52% of them (118 requests) were addressed to the original Ladefense.fr, 15% (34 requests) were made to Static.xx.fbcdn.net and 7% (15 requests) were made to Maps.google.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Ladefense.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (17%)

Content Size

6.4 MB

After Optimization

5.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ladefense.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. 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. Images take 5.3 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 64.6 kB

  • Original 79.2 kB
  • After minification 75.0 kB
  • After compression 14.6 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 64.6 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 267.1 kB

  • Original 5.3 MB
  • After minification 5.0 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. La De Fense images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 542.8 kB

  • Original 809.7 kB
  • After minification 752.7 kB
  • After compression 266.9 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 542.8 kB or 67% of the original size.

CSS Optimization

-84%

Potential reduce by 230.6 kB

  • Original 275.7 kB
  • After minification 225.7 kB
  • After compression 45.1 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. Ladefense.fr needs all CSS files to be minified and compressed as it can save up to 230.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 120 (55%)

Requests Now

217

After Optimization

97

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 217 CSS, Javascripts, AJAX and image requests in order to completely render the main page of La De Fense. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 64 to 1 for JavaScripts and from 47 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ladefense.fr

ladefense.fr

217 ms

www.ladefense.fr

www.ladefense.fr

1817 ms

system.base.css

system.base.css

165 ms

system.menus.css

system.menus.css

166 ms

system.messages.css

system.messages.css

167 ms

system.theme.css

system.theme.css

167 ms

diapo.css

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169 ms

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237 ms

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243 ms

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Accessibility Review

ladefense.fr accessibility score

75

Accessibility Issues

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

High

Buttons do not have an accessible name

High

Image elements do not have [alt] 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.

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 IDs are not unique

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

ladefense.fr best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

ladefense.fr SEO score

79

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

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

High

Document doesn't use 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 Ladefense.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 Ladefense.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

ladefense.fr

Open Graph description is not detected on the main page of La De Fense. 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: