Gmail Keyboard shortcuts: 1- Combo keys

Shortcut Key	Definition	Action
tab then enter	Send message	After composing your message, use this combination to send it automatically. (Supported in Internet Explorer and Firefox, on Windows.)

Firefox Keyboard shortcuts: 3- Editing

Command		Shortcut
Copy	Firefox Keyboard shortcuts	Ctrl+C
Cut	Firefox Keyboard shortcuts	Ctrl+X
Delete

Firefox Keyboard shortcuts: 2- Current Page

Command Shortcut Go to Bottom of Page  Firefox Keyboard shortcuts End Go to Top of Page  Firefox Keyboard shortcuts Home Move to Next Frame  Firefox Keyboard shortcuts F6 Move to Previous Frame

Firefox Keyboard shortcuts: 1- Navigation

Command		Shortcut
Back	Firefox Keyboard shortcuts	Alt+Left Arrow
Back	Firefox Keyboard shortcuts	Backspace
Forward	Firefox Keyboard shortcuts	Alt+Right Arrow
Forward	Firefox Keyboard shortcuts	Shift+Backspace
Home	Firefox Keyboard shortcuts