Popunder
The whole screen, at the moment the user comes back.

Sweepstakes · Lead generation · Betting · Utilities · Adult (separate pool)

Popunder is the highest-volume format on the open web, and it still works because it owns the entire viewport. The user closes a tab to continue browsing, and your landing page is already there.

That full-page canvas allows bigger images, longer headlines and a real story — far more room than a banner. It suits lead generation, sweepstakes, utilities and betting offers where one strong hook carries the click.

We buy popunder on CPC and CPM across desktop and mobile web, with strict frequency limits so the same person is not chased across the internet. Mainstream and adult inventory are sold as separate pools.

What you get

• Full-page creative canvas with high impression share
• Strict per-user frequency caps
• Separate mainstream and adult inventory
• Blacklist by site, source or sub-ID

Specs & targeting

Devices	Desktop and mobile web
Buying models	CPC, CPM
Creative	Landing page URL, optional banner assets
Targeting	GEO, device, browser, OS, connection, source category
Inventory	Mainstream and adult pools kept separate

How we buy it

Every popunder campaign is structured the same way: a test phase with tight caps, a read after enough clicks to be meaningful, then budget moved to the sources and creatives that hit your cost per event. Sources that miss twice are blacklisted, not tolerated.

Your reporting includes clicks, spend, conversions from postbacks and sub-ID performance. If you need a custom macro or a third-party tracker, we test the endpoint before launch.