Another huge challenge is ad placement fraud, where affiliates stack multiple 1-pixel ads within an iframe. These virtually invisible ads can reside under every legitimate advertising button on the affiliate’s site, meaning that if users click on one ad, they effectively click on all of them. Again, the affiliate stands to collect an unearned commission.
When it comes to traffic for sales or leads it varies from industry to industry and country to country, on the top of that it requires other complex process that are suitable only for the advanced paid traffic masters. In this article I will be discussing traffic for branding and improving rank on several web metrics which are responsible for judging the quality of a website such as Alexa rank, Similarweb Rank, Domain Rating, WOT Rank and so on.