While often viewed as a less desirable traffic channel, Tier 2 traffic – specifically popunders and push notifications – presents a interesting opportunity for businesses. These pop-up ads appear behind a user’s active browser window, and push ads interrupt the browsing session with displays. Kno

The pervasive nature of ad fraud poses a significant challenge to the digital advertising industry. This comparative analysis scrutinizes the diverse tactics employed by fraudsters and highlights their impact on advertisers, publishers, and consumers. By evaluating various illegitimate practices