Top 10 firefox tricks ever...

Shift Spacebar (Page up)
Spacebar (Page down)
Ctrl F (Find)
Alt N (Find next)
Ctrl D (Bookmark Page)
Ctrl T (New Tab )
Ctrl L (go to Adress Bar)
Ctrl k (Go to search box)
Ctrl (Increase Text Size)
Ctrl - (Decrease text size )
Ctrl W (Close Tab)
F5 (reload)
Alt Home (Go to Home Page)