Where web merchants reward partners (affiliates) for sending converting web traffic to them.

Pay-per-sale is not customarily used for ad buys. It is, however, the customary way to pay Web sites that participate in affiliate programs.

The commission structure where the merchant pays a percentage or flat fee to the affiliate based on the revenue generated by the sale of a product or service to a visitor who came from a affiliate's site.

Program where an affiliate receives a commission for each sale of a product or service that they refer to a merchant's web site.

PPS): Programs in which the affiliate receives a commission for each sale of a product or service that they refer to a merchant's web site.

This program, as it implies, pays an affiliate for each sale of a product or service that they refer to a merchant's site.

See Cost per Sale.

When a merchant will pay an affiliate for each sale that is generated by a user over the course of a designated amount of time.