Lea Verou had a dang genius thought to make use of an emoji as a favicon. The thought solely lately doable as browsers have began supporting SVG for favicons. Chuck an emoji inside an SVG
I made a rapid little demo challenge so you possibly can see it at work. See the deployed challenge to truly see the favicons. That works in Firefox and Chrome. Safari solely does these “masks” type icons in SVG so this does not work there. Possibly it may although? I dunno I am going to allow you to strive it.
Here is a video in case you simply wanna see it.