With millions of websites sending ad inventory into the programmatic marketplaces, it's difficult to quickly determine the quality of traffic from any domain without closely monitoring the impressions. However, there are some tell-tale signs that should act as a warning that a domain's traffic will be less than premium.
Following the industry headlines reporting on the percentage of ad fraud in the real-time bidding (RTB) programmatic space, the market can seem like a pretty scary place to be for ad dollars. However, there is good news. Our industry for the most part is reputable and focused on providing clean ad traffic, but we’ve been infected with a small amount of fraudulent publishers. Getting to the root of the problem means looking at these sources of ad fraud, and a majority of fake impressions are originating from a very small percentage of publishers.