Access rjb.ch. RJB votre radio régionale - RJB votre radio régionale

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value3,040 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.935

3/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

www.rjb.ch

712 ms

css_v197p_BC4FCA6ECF632A51D0A3EE78E6CAA016.cssx

566 ms

js_v40p_B3698BF943584DB4F27BBEEA8C5EA27F.jsx

285 ms

all.js

7 ms

header_print.jpg

119 ms

Our browser made a total of 132 requests to load all elements on the main page. We found that 48% of them (64 requests) were addressed to the original Rjb.ch, 15% (20 requests) were made to Ww2.lapublicite.ch and 10% (13 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Cine.ch.

Content Size

1.3 MB

After Optimization

763.1 kB

In fact, the total size of Rjb.ch main page is 1.3 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. 50% of websites need less resources to load. Images take 653.2 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 113.8 kB

Original 141.5 kB
After minification 124.5 kB
After compression 27.8 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 17.0 kB, which is 12% 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 113.8 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 29.9 kB

Original 653.2 kB
After minification 623.3 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. RJB images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 146.0 kB

Original 224.3 kB
After minification 206.5 kB
After compression 78.3 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 146.0 kB or 65% of the original size.

CSS Optimization

-86%

Potential reduce by 200.1 kB

Original 233.8 kB
After minification 192.4 kB
After compression 33.7 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. Rjb.ch needs all CSS files to be minified and compressed as it can save up to 200.1 kB or 86% of the original size.

Requests Now

130

After Optimization

The browser has sent 130 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RJB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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 semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

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

High

Links are not crawlable

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 Rjb.ch 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 Rjb.ch 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

rjb.ch

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

RJB votre radio régionale - RJB votre radio régionale

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

www.rjb.ch

css_v197p_BC4FCA6ECF632A51D0A3EE78E6CAA016.cssx

js_v40p_B3698BF943584DB4F27BBEEA8C5EA27F.jsx

all.js

header_print.jpg

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

www.rjb.ch

css_v197p_BC4FCA6ECF632A51D0A3EE78E6CAA016.cssx

js_v40p_B3698BF943584DB4F27BBEEA8C5EA27F.jsx

all.js

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DefaultBaby.jpg

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ajs.php

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