Google:

Google is currently the predominant search engine. The queries to their database account for 80 percent of all searches online. This is mainly because their sponsored listings are displayed on Aol, and their free listings on Yahoo! Web Matches.

Overture:

Overture was recently bought by Yahoo!. Currently, their sponsored listings are displayed on Yahoo! and MSN, among others.

Below are a list of other pay-per-click search engines that we can include in your targeted keyword marketing campaign.

• Ah-ha
• Sprinks (About.com)
• Lycos
• Search Feed
• Find What
• Alta Vista