Making use of keyboard shortcuts can help improve your efficiency when working. Speaking of this, Firefox has tens of keyboard shortcuts you can make use of in case this browser is your main browser to work.
Firefox itself is still one of the most-used web browsers, regardless the "monopoly" of Google Chrome. Firefox is one of the most successful open source projects. Firefox is the pioneer of modern web browser.
On desktop, Firefox is available for all major platforms from Mac, Windows to Linux. I have put together the keyboard shortcuts for Firefox in a PDF cheat sheet below. All shortcuts below were tested on Windows, but they typically also work on Linux. If you use Mac, you can typically replace the Ctrl button with Command.