6.1 sec in total
1.5 sec
4.2 sec
344 ms
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.frWe analyzed Deltafm.fr page load time and found that the first response time was 1.5 sec and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
deltafm.fr performance score
name
value
score
weighting
Value5.8 s
5/100
10%
Value14.4 s
0/100
25%
Value13.7 s
2/100
10%
Value2,470 ms
4/100
30%
Value0.846
4/100
15%
Value29.2 s
0/100
10%
1477 ms
91 ms
172 ms
376 ms
441 ms
Our browser made a total of 136 requests to load all elements on the main page. We found that 75% of them (102 requests) were addressed to the original Deltafm.fr, 7% (10 requests) were made to Static.xx.fbcdn.net and 7% (9 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Deltafm.fr.
Page size can be reduced by 236.7 kB (29%)
811.8 kB
575.2 kB
In fact, the total size of Deltafm.fr main page is 811.8 kB. 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 582.2 kB which makes up the majority of the site volume.
Potential reduce by 64.4 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 64.4 kB or 81% of the original size.
Potential reduce by 65.2 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. Obviously, Delta FM needs image optimization as it can save up to 65.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 91.8 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 91.8 kB or 71% of the original size.
Potential reduce by 15.3 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. Deltafm.fr needs all CSS files to be minified and compressed as it can save up to 15.3 kB or 77% of the original size.
Number of requests can be reduced by 50 (38%)
133
83
The browser has sent 133 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 23 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
deltafm.fr
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deltafm.fr accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Image elements do not have [alt] attributes
Links do not have a discernible name
deltafm.fr best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
deltafm.fr SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
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
Document uses legible font sizes
Tap targets are not sized appropriately
FR
N/A
ISO-8859-1
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 neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Deltafm.fr main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
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: