Ever since pay-per-click advertising was introduced in the late ’90s, there have been unsavory characters lurking on the Internet that devalue the online ad model via click fraud. In its early days, click fraud was often someone clicking an ad a couple extra times.
These days, however, click fraud techniques have become so complex that the activity can often slip under the radar of the most vigilant advertisers. Protect yourself—and your revenue—against click fraud by familiarizing yourself with the strategies and the red flags that indicate their presence in your PPC campaign.
