I was listening to as song at mixcloud and just realized some how they are updating the progress in favicon and that's not only an image there is an image and a circular progress bar there any idea how they did that? mixcloud.com/PlayLifePodcast/dj-nyk-play-life-pod…
Just got an idea Canvas can do that, if we just put that image and draw a circle around that and style it like a progress bar, then resize it and replace favicon, maybe it can do that.
I reckon they're replacing the favicon with another image with a bigger process bar. So basically, you've got say, 100 favicons with the progress meter incrementally larger. Check with Javascript how far you are in percentages, show appropiate image according to that percentage?
That's the only solution I can come up with really.
Tom M
Slowly becoming a pro
It can certainly be done with JavaScript. For example check this out. It has several examples where they animate the favicon to represent various states.