Glossary > P pop-under ad An ad that displays in a new browser window behind the current browser window. Pop-under ad windows typically are smaller and do not offer the standard navigation tools of a standard browser window. + Search Tips | Advanced Search
Glossary > P
An ad that displays in a new browser window behind the current browser window. Pop-under ad windows typically are smaller and do not offer the standard navigation tools of a standard browser window.
Search Tips | Advanced Search