Pressing key to move page, and you can double the scrolling speed by pressing Shift key.
Hotkeys: (H, J, K, I) = left, up, down, right (A, S, W, D) = left, up, down, right G = go to top G + Shift = go to bottom I = up (by slow scrolling speed) M = down (by slow scrolling speed)
(If it doesn't work, you can give the "Access your data for all websites" permission to make it work.)
