I've noticed the favicon in SF seems to be different across random pages in my SF app recently.
It's not a problem as such, I'm just curious why it's only affecting some of my pages and not others.
Does anyone know?
My org is using Summer 15.
I have no documentation that confirms this, but from what I have found Production orgs use the White Cloud favicon and Sandbox and Developer Orgs use the Blue cloud favicon.
It actually proves to be a bit handy when you have your production and sandbox open in separate tabs, it's a quick and easy way to tell the difference.