Ctrl-Scroll - Zooms the webpage in/out
Alt+j - Enables/disables Javascript for the current tab (requires refresh)
Alt+i - Enables/disables Image loading for the current tab(requires refresh)
Ctrl-0 - Resets webpage zoom to 100%
Ctrl-t - Creates a new tab (in a new session, similar as pressing the button)
Ctrl-F4, Alt-d - Closes the current tab
Ctrl-f - Focuses on the search entry (search inside page)
Ctrl-g / Ctrl-Shift-g - When the search box is focused it goes to the Next/Previous search term.
Ctrl-l - Focuses on the location(URL) entry
Ctrl-Shift-r / Ctrl-r, F5 - Reloads the content in the current tab (with/without clearing cache)
Escape - Stops loading the content in the current tab or escapes search
F7 - Toggles caret browsing
F12 - Opens the web inspector
Ctrl-[ / Ctrl-] - Go back/forward in current tab’s history
Ctrl-p - Print the current page. (spawns a dialog)
Alt-Left / Alt-Right - Go to the previous/next tab
Ctrl+PageDown / Ctrl+PageUp - Go to the previous/next tab
F1 - Shows the about dialog