Shareasale.com is for web publishers and web advertisers. If you sell products online you can promote your web site through affiliate marketing and gain traffic while only paying for results - i.e. paying customers. Shareasale makes it easy to start your own affiliate program and begin promoting your web site to the world in only a few hours.
If you are looking for advertisers or sponsors for your site to earn additional revenue then you can find hundreds of paying merchants ready to advertise on your site. Shareasale makes this easy too with multiple pay-per-sale, pay-per-lead, and pay-per-click programs available from major online retailing and service sites.