An ad that appears underneath the current browser window, so when the user closes the active window the ad is still on the screen describes

Question

Quizplus · Accepted Answer

Pop-under ads are designed to appear underneath the current browser window, making them visible only after the user closes or minimizes the active window. This strategy is used to avoid immediate disruption of the user's activity, potentially making the ad less intrusive.

An Ad That Appears Underneath the Current Browser Window, So