por Eric H. Jung
Right-click on links to open them in new tabs. Firefox does this by default with middle-clicks, but many laptop mice (touchpads) don't have middle buttons.
To temporarily cancel InstaClick and re-enable context-menus, hold down CTRL, ALT, or COMMAND (Mac only) while right-clicking on a link.
Right-clicking on anything other than a link doesn't invoke InstaClick.
Este complemento no es compatible con tu versión de Firefox por lo siguiente: