Small habits, big difference. These work in most browsers and editors:
Tip: learn one new shortcut per week. After a month you will not even think about it.
Ctrl + Ljumps straight to the address bar.Ctrl + Shift + Treopens the tab you just closed.Ctrl + Backspacedeletes a whole word instead of one letter.Alt + TabandWin + Tabfor moving between windows.Ctrl + /shows the shortcut list in many web apps.
Tip: learn one new shortcut per week. After a month you will not even think about it.