Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

radiolaser.fr

Radio Laser - Média citoyen de proximité - 95.9FM sur Rennes, Vallons de Vilaine et Brocéliande

Page Load Speed

4.5 sec in total

First Response

290 ms

Resources Loaded

3.8 sec

Page Rendered

424 ms

radiolaser.fr screenshot

About Website

Click here to check amazing Radio Laser content for France. Otherwise, check out these important facts you probably never knew about radiolaser.fr

Radio Laser, radio locale émettant sur Rennes, le Pays des Vallons de Vilaine et le Pays de Brocéliande, 95.9FM.

Visit radiolaser.fr

Key Findings

We analyzed Radiolaser.fr page load time and found that the first response time was 290 ms and then it took 4.3 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

radiolaser.fr performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value4.9 s

64/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

Network Requests Diagram

radiolaser.fr

290 ms

www.radiolaser.fr

1869 ms

js

70 ms

vodcss.css

191 ms

audioplayer.css

274 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 83% of them (43 requests) were addressed to the original Radiolaser.fr, 12% (6 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Radiolaser.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 836.6 kB (15%)

Content Size

5.7 MB

After Optimization

4.9 MB

In fact, the total size of Radiolaser.fr main page is 5.7 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. 40% of websites need less resources to load. Images take 5.6 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 45.9 kB

  • Original 56.0 kB
  • After minification 52.4 kB
  • After compression 10.1 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 45.9 kB or 82% of the original size.

Image Optimization

-14%

Potential reduce by 769.2 kB

  • Original 5.6 MB
  • After minification 4.8 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, Radio Laser needs image optimization as it can save up to 769.2 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-22%

Potential reduce by 10.3 kB

  • Original 46.9 kB
  • After minification 43.2 kB
  • After compression 36.6 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 10.3 kB or 22% of the original size.

CSS Optimization

-37%

Potential reduce by 11.2 kB

  • Original 30.5 kB
  • After minification 30.5 kB
  • After compression 19.3 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. Radiolaser.fr needs all CSS files to be minified and compressed as it can save up to 11.2 kB or 37% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (9%)

Requests Now

44

After Optimization

40

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radio Laser. 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

radiolaser.fr accessibility score

68

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

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

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

Form elements do not have associated labels

Best Practices

radiolaser.fr best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

radiolaser.fr SEO score

79

Search Engine Optimization Advices

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 Radiolaser.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 Radiolaser.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 Radio Laser. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: