These Are The Most Popular Keyboard Shortcuts For Firefox :
Ctrl+N - It use for Open New Browser Window
Ctrl+T - It use for Open New Tab on Existing window
Ctrl+W or Ctrl+F4 - It use for Close the current window or Tab
Ctrl+R or F5 - For refresh The Page
Ctrl+F5 orCtrl+Shift+R - Refresh the page with override cache
Esc - Stop
Ctrl + O - It use for Open File
Alt+Home - Home
F1 - Firefox Help
