Glossary · Traffic sources
Popup— what it means in affiliate marketing
An ad window that opens over the page content.
Browsers block most of them unprompted, so the surviving inventory is concentrated on sites that have nothing to lose. Impression counts here deserve scepticism.
Related terms
| Term | Definition |
|---|---|
| Popunder | An ad page that opens in a window behind the current one and is noticed when the user closes the tab. |
| Pop traffic | Traffic from windows that open on top of or behind the page the user was reading. |
Entry updated 29 July 2026. All 276 terms in one page.