Pay per click (PPC)

There are several search engines offering pay per click program. Advertiser choose the keyword and the bid. If the visitor search for this keyword, advertisements targeted for this keyword are displayed. If more advertisers select the same keyword the advertisements are sorted by the bid (except google AdWords, there the advertisement position depends on the bid and click rate). The big advantage of pay per click system is the fact that you can start your campaign during a few minutes.