What is Pop-under Ads?

A type of fullscreen window that opens behind the browser window of a website. In contrast to a pop-up ad, which opens over the browser window, a pop-under is less obtrusive as it hides behind other windows. When a user visits a website with pop-under advertisements, the pop-under will open up in a new browser window hidden under the user’s current browser. When the user closes their current browser then they will noticed the pop-under advertisement making them less intrusive, more acceptable to users and will not take visitors away from the publisher’s website.

Pop-under ad gives advertisers a good opportunity to brand their product as well as giving the users sufficient product information. It can also provide advertisers with no creatives to use any landing page within their website as a pop-under advertisement. Pop-unders are used extensively in advertising on the Web.