Multidomain Suche für Googles AdSense Search

heute Mail von Google bekommen:

„Multiple domains for AdSense for search SiteSearch
Your Search Settings page now provides you with the option of specifying multiple domains for SiteSearch. Simply enter up to three domains when generating your search code – your AdSense for search box will list each domain with a radio button, allowing your users to choose the site on which they would like to search. „