Favicons have been handy for web browsers for years. However, with the proliferation of devices (not talking just computers and mobiles here), you need to keep up with your favicon optimization (never thought I’d type that). Here’s a nifty “cheat sheet” that walks you through proper sizes for everything from iOS and Android to the Chrome browser to GoogleTV and iPads…
Obsessive cheat sheet to favicon sizes/types
While there’s no demonstrable SEO gain to having a favicon on your site, it definitely helps if your affiliate or marketing site is in anyway brand related (there’s nothing worse than seeing the SquareSpace, BlueHost, Drupal etc default image in the navigation bar).
I can’t be the only person that finds this insanely useful.