If you've a public site built on Google Sites, and are interested in earning revenue with Google AdSense, just follow these easy steps:
- Click More actions drop-down menu at top right of your site, and select Manage site.
- Click Monetize on left side of the page.
- Click Monetize this site button.
- Create new AdSense account or use an existing account. Follow the instructions, depending on the radio button you select.
Once you've enabled AdSense, go to any of your site's pages in the edit mode, click Insert, and select AdSense to insert ads within your page. You can also choose to have ads displayed in your global sidebar.