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sirene.fr screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

sirene.fr

Accueil - sirene.fr

Page Load Speed

2 sec in total

First Response

105 ms

Resources Loaded

1.8 sec

Page Rendered

139 ms

sirene.fr screenshot

About Website

Welcome to sirene.fr homepage info - get ready to check Sirene best content for Morocco right away, or after learning these important things about sirene.fr

Le site sirene.fr fournit des informations actualisées tous les jours sur les 10 millions d'établissements. Ce service de l'Insee permet de créer et de mettre à jour ses propres listes, de rechercher ...

Visit sirene.fr

Key Findings

We analyzed Sirene.fr page load time and found that the first response time was 105 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

sirene.fr performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

57/100

25%

SI (Speed Index)

Value4.5 s

73/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.092

92/100

15%

TTI (Time to Interactive)

Value8.6 s

37/100

10%

Network Requests Diagram

accueil

105 ms

jquery-1.9.1.min.js

168 ms

jquery.cookie.js

166 ms

bootstrap.js

180 ms

jquery-ui-1.10.3.custom.js

499 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 97% of them (35 requests) were addressed to the original Sirene.fr, 3% (1 request) were made to Service-decouverte-generique.insee.fr. The less responsive or slowest element that took the longest time to load (750 ms) belongs to the original domain Sirene.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 78.5 kB (12%)

Content Size

680.1 kB

After Optimization

601.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sirene.fr main page is 680.1 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. Images take 422.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 20.4 kB

  • Original 26.1 kB
  • After minification 23.2 kB
  • After compression 5.7 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 2.9 kB, which is 11% 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 20.4 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 9.2 kB

  • Original 422.5 kB
  • After minification 413.3 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. Sirene images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 43.8 kB

  • Original 184.2 kB
  • After minification 184.2 kB
  • After compression 140.4 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 43.8 kB or 24% of the original size.

CSS Optimization

-11%

Potential reduce by 5.2 kB

  • Original 47.4 kB
  • After minification 47.3 kB
  • After compression 42.2 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. Sirene.fr needs all CSS files to be minified and compressed as it can save up to 5.2 kB or 11% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (51%)

Requests Now

35

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sirene. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

accueil

accueil

105 ms

jquery-1.9.1.min.js

jquery-1.9.1.min.js

168 ms

jquery.cookie.js

jquery.cookie.js

166 ms

bootstrap.js

bootstrap.js

180 ms

jquery-ui-1.10.3.custom.js

jquery-ui-1.10.3.custom.js

499 ms

jquery-barousel.min.js

jquery-barousel.min.js

166 ms

jquery.dataTables.min.js

jquery.dataTables.min.js

251 ms

syracuse-base.js

syracuse-base.js

247 ms

tableauDataTable.js

tableauDataTable.js

248 ms

jquery-ui-datepicker-fr.js

jquery-ui-datepicker-fr.js

249 ms

jquery-ui-1.10.3.custom.min.css

jquery-ui-1.10.3.custom.min.css

289 ms

bootstrap.css

bootstrap.css

408 ms

jquery-ui-menubar.css

jquery-ui-menubar.css

329 ms

jquery-ui-min.css

jquery-ui-min.css

365 ms

jquery.dataTables.css

jquery.dataTables.css

332 ms

syracuse-base.css

syracuse-base.css

410 ms

syracuse-base-screen.css

syracuse-base-screen.css

411 ms

recherche.js

recherche.js

414 ms

jquery.multi-select.js

jquery.multi-select.js

448 ms

carousel.js

carousel.js

488 ms

logo-insee.png

logo-insee.png

86 ms

logo-sirene.png

logo-sirene.png

86 ms

home.png

home.png

83 ms

icon-search.png

icon-search.png

86 ms

icon-external-link.png

icon-external-link.png

83 ms

icon-help-gray.png

icon-help-gray.png

84 ms

icon-ext-pdf.png

icon-ext-pdf.png

139 ms

data.gif

data.gif

149 ms

service-decouverte-generique.insee.fr

service-decouverte-generique.insee.fr

359 ms

geographie.csv

geographie.csv

750 ms

Guichet_unique_v3_800x600px.jpg

Guichet_unique_v3_800x600px.jpg

347 ms

newsletter%20800x600.jpg

newsletter%20800x600.jpg

359 ms

livres%20tablette%20800x600.jpg

livres%20tablette%20800x600.jpg

200 ms

poign%C3%A9e%20de%20mains%20tablette%20800x600.jpg

poign%C3%A9e%20de%20mains%20tablette%20800x600.jpg

256 ms

accueil-panneau-jaune.png

accueil-panneau-jaune.png

188 ms

syracuse-print.css

syracuse-print.css

84 ms

Accessibility Review

sirene.fr accessibility score

98

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Best Practices

sirene.fr best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

sirene.fr SEO score

88

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

    FR

  • Encoding

    UTF-8

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

sirene.fr

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