Continuing the Firefox tips theme from the last article, here are two more hidden preferences in Firefox that are very handy. To access them, enter about:config in the browser’s address bar and press the Enter or Return key.
In earlier versions of Firefox, it was possible to remove the Go button. Now, it’s part of the address bar. However, setting this preference value to true will make it go away to give you more room to see the URL in the address bar.
Firefox also used to allow you to prevent it from loading images on the page that were from a different server than the page itself. If you’d like to enable this security feature, set this preference value to 3.