Maximum number of Ad Units

- Up to three ad units may be displayed on each page.
- A maximum of two Google AdSense for search boxes may be placed on a page.
- Up to three link units may also be placed on each page.
- Up to three referral units may be displayed on a page, in addition to the ad units, search boxes, and link units specified above.
- AdSense for search results pages may show only a single ad link unit in addition to the ads Google serves with the search results. No other ads may be displayed on your search results page.