How to add useful keyboard shortcuts in Firefox using Keyconfig. Dan Rodney - Mac OS X Keyboard Shortcuts. For years I’ve collected these keystrokes.
I hope they help you become the power user that lies within. They have been tested in Mac OS X El Capitan (Mac OS 10.11) but most should work on other versions of Mac OS (10.10 Yosemite, 10.9 Mavericks, 10.8 Mountain Lion, etc.). Menu Symbols Finder App Switcher.