You can customize any shortcut by hitting CMD T … Open Shortcuts.

Everyday Use

Action Shortcut
New tab or Action ⌘ T
New window, blank window, or incognito window ⌘ N
Close current tab or window ⌘ W
Open Little Arc Option ⌘ N
Re-open last closed tab Shift ⌘ T
Pin/Unpin current tab ⌘ D
Copy current tab URL Shift ⌘ C
Change current tab URL ⌘L
Reveal/Hide the sidebar Option ⌘ B or ⌘ S
Clear unpinned tabs Shift ⌘ K

Quick Navigation

Action Shortcut
Go directly to tab N ⌘ 1 , ⌘ 2, ⌘ 3 ...
Focus on Space N Control 1, 2, 3 …
Toggle between recent tabs Control Tab
Switch between tabs Option ⌘ ↑ or Option ⌘ ↓
Switch between Spaces Option ⌘ ← or Option ⌘ →
Go back on tab history ⌘ ← or ⌘ [
Go forward on tab history ⌘ → or ⌘ ]
Add Split View Control Shift +
Close Split View Control Shift -
Switch Split View focus Control Shift 1, 2, ...

Other

Action Shortcut
View History ⌘ Y
Zoom in webpage ⌘ +
Zoom out webpage ⌘ -
Reset webpage zoom ⌘ 0
Reload webpage ⌘ R
Find in webpage ⌘ F
Copy URL as Markdown ⌘ Option Shift C

Command Bar (⌘ T) Actions