There are no pop-up advertisements on OneLook.com. We do not allow pop-up ads of any kind on this site and strongly object to them. If you think you've seen pop-up ads on OneLook.com, one of three explanations is likely: Please read what Google wrote in response to complaints from users who thought they served popup ads; we feel exactly the same way and urge you to follow their advice for eliminating pop-ups from your web browsing experience and from the world. Thanks!