Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

ffessm.fr

Fédération Française d'Études et de Sports Sous-Marins | FFESSM

Page Load Speed

5 sec in total

First Response

260 ms

Resources Loaded

4.2 sec

Page Rendered

504 ms

ffessm.fr screenshot

About Website

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

La Fédération officielle de plongée sous-marine, de l’apnée, de la nage en eau vive, de la plongée souterraine, de la nage avec palmes, du hockey subaquatique, de la biologie sous-marine, de la photo ...

Visit ffessm.fr

Key Findings

We analyzed Ffessm.fr page load time and found that the first response time was 260 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

ffessm.fr performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

24/100

10%

LCP (Largest Contentful Paint)

Value19.8 s

0/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value1,610 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value64.9 s

0/100

10%

Network Requests Diagram

ffessm.fr

260 ms

ffessm.fr

725 ms

css

30 ms

style.css

354 ms

app.js

920 ms

Our browser made a total of 114 requests to load all elements on the main page. We found that 96% of them (109 requests) were addressed to the original Ffessm.fr, 1% (1 request) were made to Fonts.googleapis.com and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Ffessm.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.3 MB (10%)

Content Size

32.5 MB

After Optimization

29.2 MB

In fact, the total size of Ffessm.fr main page is 32.5 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. Only a small number of websites need less resources to load. Images take 28.8 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 336.5 kB

  • Original 366.6 kB
  • After minification 200.5 kB
  • After compression 30.1 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 166.0 kB, which is 45% 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 336.5 kB or 92% of the original size.

Image Optimization

-2%

Potential reduce by 638.4 kB

  • Original 28.8 MB
  • After minification 28.1 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. FFESSM images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 2.3 MB

  • Original 3.3 MB
  • After minification 3.3 MB
  • After compression 985.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 2.3 MB or 70% of the original size.

CSS Optimization

-5%

Potential reduce by 5.2 kB

  • Original 113.1 kB
  • After minification 113.1 kB
  • After compression 107.9 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. Ffessm.fr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (8%)

Requests Now

108

After Optimization

99

The browser has sent 108 CSS, Javascripts, AJAX and image requests in order to completely render the main page of FFESSM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

ffessm.fr accessibility score

77

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

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

ffessm.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

High

Missing source maps for large first-party JavaScript

SEO Factors

ffessm.fr SEO score

83

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ffessm.fr 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 Ffessm.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 FFESSM. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: