Discover quick ways to get around using popular input devices
To go back or forward in a tab’s history, hold ç and press a square bracket key. To move along the tab bar, add ß. Use ç and a digit (1 to 9) to jump to a tab. Set up combos for menu items in
> System Prefs > Keyboard > Shortcuts > App Shortcuts.
Swipe two fingers left or right to go back or forward. With the pointer over a page element, double-tap two fingers to zoom in on it, or spread apart/pinch together to zoom arbitrarily. When fully zoomed out, pinch again for an overview of all open tabs.
Horizontal swipes of two fingers jump back and forward through a tab’s history. Magic Mouse doesn’t offer arbitrary zooming, but a two-finger double-tap on it zooms in or out to whatever’s under the pointer, just as it does on a trackpad.
Check whether your mouse’s maker provides software for tailoring what the various buttons do. In some cases you can even tailor actions to do different things according to what app you’re using at a given moment.