Favicon working in all browsers

  

I'm trying to define the favicon in my application, but only works in Chrome and Mozilla.

The resource:


Preparation in footer:

(I already tried with blank MimeType)

Chrome:

Edge: 

IExplorer:


is it a proper icon?


J. wrote:

is it a proper icon?


Yes, it is



Is the icon in the header html added? You would be able to check it with the developer tools.

Kind regards,
Evert

Evert van der Zalm wrote:


Is the icon in the header html added? You would be able to check it with the developer tools.

Kind regards,
Evert

Hi, 

yes, is added: 


The way you did it looks correct.

Can you try to clear your cache? It could be that some browsers did not yet see the new icon.

Kind regards,

Remco


When you add the favicon as an image and not resource, would that make a difference?

And can you provide the url, so we can check it as well. :)


Solution

I found reason for than. I did not have a valid certification. When I change it, the favicon appears.

Without certification: 

With valid certification:


Thanks for all

Solution