Ad Unit: Meaning, Types & Formats in Digital Advertising 2026
An ad unit is a specific space within a website, app, or other digital platform where advertisements are displayed. In the global digital advertising ecosystem, display-based formats like banner and native ads still account for nearly 15% of total ad spend, while video ads account for around 14%, highlighting how ad units remain a foundational […]
What Is Ad Stacking Fraud: How It Works, Prevention, and Best Practices
Ad stacking fraud is a kind of impression fraud or click spam. Industry studies suggest that nearly 18–20% of digital ad impressions are affected by invalid or fraudulent traffic, meaning roughly 1 in 5 impressions delivers no real value. It is one of the most common types of fraud that ails CPM and PPC campaigns, […]