The ability to identify click fraud in the early stages depends on the amount of data you can get your hands on. And without using anything other than the reporting mechanism given to you for free by the PPC engines, you’re not really going to be aware of anything. You need to have access to comprehensive visitor data. NetProspect’s key to the success of spotting click fraud is the ability to track unique URL’s for every element of a campaign using it’s proprietary analytics solution – KeyMetrics.