Access rcf.fr. RCF, radio chrétienne | Actualité, Culture et Société, Vie Spirituelle, Psychologie, Écologie et Sol...

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value19.7 s

0/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value1,170 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.901

3/100

15%

TTI (Time to Interactive)

Value19.8 s

2/100

10%

rcf.fr

313 ms

rcf.fr

652 ms

css

60 ms

node.css

101 ms

defaults.css

502 ms

Our browser made a total of 119 requests to load all elements on the main page. We found that 82% of them (97 requests) were addressed to the original Rcf.fr, 5% (6 requests) were made to Fonts.gstatic.com and 3% (4 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Rcf.fr.

Content Size

3.6 MB

After Optimization

1.9 MB

In fact, the total size of Rcf.fr main page is 3.6 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. 65% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 356.2 kB

Original 411.3 kB
After minification 323.9 kB
After compression 55.1 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 87.4 kB, which is 21% 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 356.2 kB or 87% of the original size.

Image Optimization

-19%

Potential reduce by 340.6 kB

Original 1.8 MB
After minification 1.5 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. Obviously, RCF needs image optimization as it can save up to 340.6 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 666.9 kB

Original 1.0 MB
After minification 984.2 kB
After compression 354.2 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 666.9 kB or 65% of the original size.

CSS Optimization

-84%

Potential reduce by 251.8 kB

Original 300.3 kB
After minification 284.5 kB
After compression 48.4 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. Rcf.fr needs all CSS files to be minified and compressed as it can save up to 251.8 kB or 84% of the original size.

Requests Now

111

After Optimization

The browser has sent 111 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RCF. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 23 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

High

ARIA IDs are not unique

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.

High

Buttons do not have an accessible name

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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

High

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

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

High

robots.txt is not valid

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/).

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 Rcf.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 Rcf.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

rcf.fr

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

Report Summary

Performance

Accessibility

Best Practices

SEO

RCF, radio chrétienne | Actualité, Culture et Société, Vie Spirituelle, Psychologie, Écologie et Solidarité, Podcasts

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

rcf.fr

rcf.fr

css

node.css

defaults.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

rcf.fr

rcf.fr

css

node.css

defaults.css

system.css

system-menus.css

user.css

content-module.css

ckeditor.css

ctools.css

date.css

jquery.timeentry.css

filefield.css

hidden_captcha.css

logintoboggan.css

thickbox.css

thickbox_ie.css

rcf_banniere.css

rcf_programgrid.css

farbtastic.css

calendar.css

fieldgroup.css

views.css

styles.css

modernizr.min.js

jquery.js

drupal.js

fr_dccb8aadc62cd8afc8f9dc59bc190559.js

thickbox_login.js

thickbox.js

rcf_banniere.js

rcf_publish_node.js

jquery.a_form.packed.js

ajax.js

addthis_widget.js

jquery.min.js

jquery.easing.min.js

imagesloaded.pkgd.min.js

jquery.bxslider.min.js

jquery-ui.custom.min.js

jquery.colorbox-min.js

list.min.js