pop-under

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pop-under

(pŏp′ŭn′dər)

A pop-up advertisement that opens behind the active window of a web browser so that the advertisement is not usually seen until the active window is closed.

[On the model of pop-up.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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References in periodicals archive

Google has officially changed its advertising policies to ban "pop-up" and "pop-under" ads on Google Adsense.

Google officially bans pop-up and pop-under ads on Adsense

The survey showed that for the first seven months of the year pop-up and pop-under ads accounted for just 2% of all online advertising impressions.

Pop-up ads account for 2% of online advertising claims Nielsen//NetRatings study

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