In all major web-browser there is a large number of keyboard shortcuts that is common to all. Mozilla Firefox, Google Chrome, Internet Explorer, Apple Safari, or Opera – most of these keyboard shortcuts will work in all browsers.
In addition, each browser also has some of its own browser-specific shortcuts, but knowing the common ones will serve you well as you switch between different browsers and computers.
Ctrl+1-8 – Switch to the specified tab, start counting from left
Ctrl+9 – Switch to the last tab
Ctrl+Tab – Switch to the next tab – meaning...
Mozilla Firefox has a variety of configuration settings and diagnostic information available in its internal about: pages.
You can access each page by typing about: into the address bar, followed by the name of the topic.
The about: pages contain everything from the story of Mozilla’s battle against Internet Explorer and robot pop-culture references to advanced configuration
settings, permission management and diagnostic information.
The about:about page is an index of Firefox’s about pages. Click any of the links on this page to explore them.
Try out the about:robots...