There was one very, very annoying issue that I’ve found with MacOS X. When you tab through fields, it will by default, always skip over drop-down selection menus. Since so many websites uses this as say, the credit card expiration date field, it is extremely annoying as we get close to the Christmas season.
Just doing a bit of digging though, I came across the solution. Turns out this is a behavior that wasn’t just browser specific, but applied across the entire OS. All you have to do is change the option of how your keyboard behaves. Tony Spencer has a blog post on how it’s done: