pauloaguia: Yea, check your add-on's for Firefox. Yea, there are a lot of cool ones out there, but the more you have the"bigger" Firefox gets... and possible slower it will move.
Remove the ones you rarely use. Disable the ones you don't use often.
(hide) If you want to save on bandwidth you can reduce the amount of information that shows up in your pages in the Settings. Try changing the number of games in the main page and the number of messages per page. (pauloaguia) (show all tips)