How to force ie11 to request a new favicon?

Question

I am working on a website which changes its favicon depending on the user details logged in. A controller processes this request at the back-end and sends the appropriate fa

Answer 1

Warning: although this answer is (in my opinion) a good advice, it does not work with IE11

Adding URL parameters to the regular favicon path is a useful technique to update a favicon and force browsers to reload it. However, browsers and notoriously known to be very lazy when it comes to favicon loading. So refreshing your favicon that often is probably beyond the power of the extra URL parameter technique.

I advice you to give a try to favicon.js. This JavaScript library is designed to create dynamic favicons and let you do quite amazing stuff.