Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

formationdiagnosticimmobilier.fr

Formation diagnostiqueur immobilier > ADI Centre Certifié

Page Load Speed

2.8 sec in total

First Response

255 ms

Resources Loaded

2.3 sec

Page Rendered

168 ms

About Website

Welcome to formationdiagnosticimmobilier.fr homepage info - get ready to check Formation Diagnostic Immobilier best content right away, or after learning these important things about formationdiagnosticimmobilier.fr

Devenez diagnostiqueur certifié avec nos formations dans le métier du diagnostic immobilier : Centre de formation ADI basé à Rennes, Paris, Lyon & Toulouse

Visit formationdiagnosticimmobilier.fr

Key Findings

We analyzed Formationdiagnosticimmobilier.fr page load time and found that the first response time was 255 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

formationdiagnosticimmobilier.fr performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value5.2 s

59/100

10%

TBT (Total Blocking Time)

Value980 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value6.6 s

57/100

10%

Network Requests Diagram

formationdiagnosticimmobilier.fr

255 ms

www.formation-adi.fr

685 ms

stat.js

61 ms

tarteaucitron.js

88 ms

js

92 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Formationdiagnosticimmobilier.fr, 86% (37 requests) were made to Formation-adi.fr and 5% (2 requests) were made to Unpkg.com. The less responsive or slowest element that took the longest time to load (685 ms) relates to the external source Formation-adi.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 103.9 kB (12%)

Content Size

846.3 kB

After Optimization

742.4 kB

In fact, the total size of Formationdiagnosticimmobilier.fr main page is 846.3 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 695.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 88.9 kB

  • Original 107.4 kB
  • After minification 90.2 kB
  • After compression 18.4 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 17.2 kB, which is 16% 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 88.9 kB or 83% of the original size.

Image Optimization

-2%

Potential reduce by 15.0 kB

  • Original 695.5 kB
  • After minification 680.5 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. Formation Diagnostic Immobilier images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 0 B

  • Original 43.4 kB
  • After minification 43.4 kB
  • After compression 43.4 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 18 (53%)

Requests Now

34

After Optimization

16

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Formation Diagnostic Immobilier. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

formationdiagnosticimmobilier.fr accessibility score

76

Accessibility Issues

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.

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

formationdiagnosticimmobilier.fr 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

formationdiagnosticimmobilier.fr SEO score

86

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 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 Formationdiagnosticimmobilier.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 Formationdiagnosticimmobilier.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

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