Google AdSense is a Google advertising program that generates advertising revenue from each page on your website with a minimal investment in time and no additional resources. Google AdSense delivers relevant text and image ads that are precisely targeted to your site and your site content.
There are many different formats for the Google AdSense adverts which can be found on the Google AdSense site.
The program works well from sites that are trying to generate revenue from high traffic websites that have a targetted audience with text based content on.