Welcome to our guide to how online performance marketing works.

This information has been produced by members of the Internet Advertising Bureau and helps explain how some online businesses earn revenues when you click links on their sites to buy products and services.

It also describes the kind of data that’s collected, how that’s used to pay website owners and what it means for you.

Just a note: this site is not about behaviourally targeted advertising. If you want to know more on this subject, follow this link.