Tools & Wizards About Us
deltafm.fr screenshot

Report Summary

  • 6

    Performance

    Renders faster than
    21% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

deltafm.fr

Delta FM : La radio du littoral | actualité, musique, podcasts

Page Load Speed

5.3 sec in total

First Response

255 ms

Resources Loaded

4.2 sec

Page Rendered

836 ms

deltafm.fr screenshot

About Website

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

L'info locale à Dunkerque, Saint-Omer, Hazebrouck, Boulogne, Calais. Vos tubes préférés 24h/24, nos webradios, podcasts et replay. Delta FM la radio N°1 - la plus écoutée en Flandre côte d'o...

Visit deltafm.fr

Key Findings

We analyzed Deltafm.fr page load time and found that the first response time was 255 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

deltafm.fr performance score

6

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

5/100

10%

LCP (Largest Contentful Paint)

Value8.0 s

2/100

25%

SI (Speed Index)

Value21.1 s

0/100

10%

TBT (Total Blocking Time)

Value2,910 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.371

29/100

15%

TTI (Time to Interactive)

Value38.8 s

0/100

10%

Network Requests Diagram

deltafm.fr

255 ms

deltafm.fr

346 ms

www.deltafm.fr

587 ms

tc_LesIndesRadios_35.js

234 ms

privacy_v2_32.js

110 ms

Our browser made a total of 104 requests to load all elements on the main page. We found that 14% of them (15 requests) were addressed to the original Deltafm.fr, 26% (27 requests) were made to Images.lesindesradios.fr and 19% (20 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Images.lesindesradios.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 355.1 kB (14%)

Content Size

2.6 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Deltafm.fr main page is 2.6 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 275.6 kB

  • Original 319.1 kB
  • After minification 316.8 kB
  • After compression 43.5 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 275.6 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 4.2 kB

  • Original 1.3 MB
  • After minification 1.3 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. Delta FM images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 75.3 kB

  • Original 985.9 kB
  • After minification 985.9 kB
  • After compression 910.5 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.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 31.0 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.

Requests Breakdown

Number of requests can be reduced by 37 (46%)

Requests Now

81

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delta FM. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

deltafm.fr

deltafm.fr

255 ms

deltafm.fr

deltafm.fr

346 ms

www.deltafm.fr

www.deltafm.fr

587 ms

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tc_LesIndesRadios_35.js

234 ms

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110 ms

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91 ms

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874 ms

adsbygoogle.js

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Statics2.css

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409 ms

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85 ms

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Accessibility Review

deltafm.fr accessibility score

78

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.

Best Practices

deltafm.fr best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

deltafm.fr SEO score

85

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 Deltafm.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 Deltafm.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

deltafm.fr

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