An ad that displays in a new browser window behind the current browser window.


The pop-under ad is the sneakier relative of the pop-up ad. While pop-up ads are often shown (and closed) instantly, pop-under ads linger behind the current browser window, appearing only after other windows have been closed.

see also: Digital Marketing Tools


pop-behind ad

Related Terms

beyond the banner, interstitial, pop-up ad

view all terms in the Online Advertising glossary or all terms in the Digital Marketing glossary

Sites : ASAP!

“A Stand Against Pop-under ads!”


Making Pop-Under Ads Work?
ClickZ (July 15, 2002)

Online Ads That Are Irksome–and Effective
BusinessWeek Online (September 3, 2001)

Yahoo Puts Pop-Unders to the Test
ZDNet News (July 30, 2001)

How to Make Users Hate Online Advertising
ClickZ (August 2, 2001)

X10: What Counts, Though You Might Not Like It
ClickZ (July 27, 2001)

‘Pop-Under’ Ads Click Off Web Surfers (July 6, 2001)

The X10 Question: Traffic Without Dollars?
E-Commerce Times (June 14, 2001)