Report Summary

  • 86

    Performance

    Renders faster than
    89% 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

parisladefense.com

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

Page Load Speed

20.6 sec in total

First Response

2.1 sec

Resources Loaded

17.9 sec

Page Rendered

556 ms

parisladefense.com screenshot

About Website

Visit parisladefense.com now to see the best up-to-date Paris La De Fense content for France and also check out these interesting facts you probably never knew about parisladefense.com

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

Visit parisladefense.com

Key Findings

We analyzed Parisladefense.com page load time and found that the first response time was 2.1 sec and then it took 18.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

parisladefense.com performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

94/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

71/100

25%

SI (Speed Index)

Value3.6 s

86/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value4.8 s

79/100

10%

Network Requests Diagram

index.htm

2112 ms

AC_RunActiveContent.js

984 ms

pixtrans.gif

895 ms

framehaut.jpg

1030 ms

Bandeau_CF_Defense.jpg

1598 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 93% of them (25 requests) were addressed to the original Parisladefense.com, 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Parisladefense.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 105.2 kB (33%)

Content Size

316.7 kB

After Optimization

211.6 kB

In fact, the total size of Parisladefense.com main page is 316.7 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. Only 10% of websites need less resources to load. Images take 219.7 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 64.0 kB

  • Original 76.6 kB
  • After minification 53.6 kB
  • After compression 12.6 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. This page needs HTML code to be minified as it can gain 23.0 kB, which is 30% 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 64.0 kB or 84% of the original size.

Image Optimization

-18%

Potential reduce by 38.8 kB

  • Original 219.7 kB
  • After minification 180.9 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, Paris La De Fense needs image optimization as it can save up to 38.8 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-12%

Potential reduce by 2.4 kB

  • Original 20.4 kB
  • After minification 19.5 kB
  • After compression 18.0 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 2.4 kB or 12% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (44%)

Requests Now

25

After Optimization

14

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Paris 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 and as a result speed up the page load time.

Accessibility Review

parisladefense.com 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

parisladefense.com 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

parisladefense.com 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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Parisladefense.com 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 Parisladefense.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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