Are you looking for Adsense Alternative?. Google AdSense is a free program that enables website publishers of all sizes to display relevant Google ads and earn. With adsense one can placae ads on Place ads on website Content, Mobile, Search and Feeds.
See the difference between contextual advertising, placement-targets advertising and Interest-based advertising. Ads perform different way in different sites, so you have to experiment. Click to see which is the best adsense units for highest CTR.
If you are looking for Google Adsense alternatives here is the list(not in any order).
- Yahoo! Publisher Network
- Microsoft adCenter
- Tribal Fusion
- Amazon (Context links)