I've noticed that it's not that random. Static pages have always their favicon correctly loaded, but favicons of dynamic pages (like Gmail, Facebook, or other webapps) usually (but not always) dissapear, especially when refreshing some inner content.
I've noticed that it's not that random. Static pages have always their favicon correctly loaded, but favicons of dynamic pages (like Gmail, Facebook, or other webapps) usually (but not always) dissapear, especially when refreshing some inner content.