Third item in the table marked identified with <url> * Command line arguments - MozillaZine Knowledge Base<br>http://kb.mozillazine.org/Command_line_arguments which is essentially the same as if you just change your home page * How to set the home page | How to | Firefox Help<br>https://support.mozilla.com/kb/How%20to%20set%20the%20home%20page You might want to consider using a simpler home page, ideally one that is on your local drive, so you know Firefox is working even if you don't have a connection. But your choice is much better than choosing a home page that just interfaces with a search site, when there is a builtin toolbar that can bring up any search that you care to add an engine for.