Payment method where the client pay on a "per referral" basis. The referrals in this case are being generated from search engines, where the client pays for unique traffic generated to their web site from their search engine campaign. Click here for further information of CPC campaigns.

The price paid by an advertiser to a content site. When buying on a Cost Per Click model, the advertiser and content site have mutually agreed that the content site will continue to display the advertiser's ad creative until X number of clicks have been delivered - the amount purchased. As with other forms of online advertising, is dependent on content, audience reached and targeted delivery - Untargeted being lower priced, targeted to an affluent audience being at the high end of the rate scale.

Often referred to for PPC accounts. It is the amount of money paid each time a visitor clicks on a link.

A payment structure that pays webmasters a certain amount for each unique visitor that clicks an ad. This amount can range from 1?to around 20? usually at the lower end of that.

This is a frequent term used in PPC terminology. It refers to the cost associated with each click. I.E. The revenue earned every time a link or banner ad is clicked by a visitor to a site.

An online advertising payment model in which advertisers pay only for the number of clickthroughs - the number of clicks on their banners, meaning you pay only for the visitors you get.

Clients pay for unique traffic generated to their website based on clicks generated by their search engine campaign.