Reload => F5 or Ctrl+R
Reload (Override cache) => Ctrl+F5 or Ctrl+Shift+R
Search Bar => Ctrl+K
New Tab => Ctrl+T
Close Tab => Ctrl+W or Ctrl+F4 (except for App Tab)
Open New Address in New Tab => Alt+Enter (from location bar or search bar)
Open Link in New Tab (background) => Ctrl+[Mouse Left Click] or [Mouse Middle Click]
Open Link in New Tab (foreground) => Ctrl+Shift+[Mouse Left Click] or Shift+[Mouse Middle Click]
Open Bookmark in New Tab (background) => Ctrl+Shift+[Mouse Left Click] or Shift+[Mouse Middle Click]
Open Bookmark in New Tab (foreground) => Ctrl+[Mouse Left Click] or [Mouse Middle Click]