One line at a time #4: TextExpander
Create a TextExpander snippet that expands to site:yourwebsite.com and include it any time you want to Google search (e.g. from LaunchBar) your site for previous content.
Create a TextExpander snippet that expands to site:yourwebsite.com and include it any time you want to Google search (e.g. from LaunchBar) your site for previous content.