Popunder advertising is often a format where a commercial opens in a very new browser window or tab behind the user’s active window. It’s designed to be less intrusive than pop-ups, appearing only after the user has left or minimized the primary site window, creating a more seamless browsing experience. https://elliottklid72738.gynoblog.com/30477656/popunder-advertising-a-guide-to-maximizing-engagement-and-conversions