Here at Lifehacker we're big fans of keyboard shortcuts, whether it's for your operating system, your web browser, or any of your web apps. They help you get more done in a shorter period of time, without having to lift your fingers from the keyboard or shift your gaze from whatever you're looking at (if your muscle memory is fully trained).
You can actually find keyboard shortcuts in more places than you might have realized, and that includes desktop and web apps for Windows and macOS. Sure...