What is popunder traffic?

Popunder traffic is the stream of visits generated by popunder ads—an ad format that appears under the active tab and is usually seen when the user finishes their current task.

In plain terms: a popunder ad is opened by a user gesture, loads your landing in the background, and doesn't block the view.

Compared to pop-ups, popunders are less interruptive and often cheaper per impression, which is why many performance teams still use them for quick testing.

Popunder Traffic

Can I start today? (Quick launch checklist)

  • Goal & budget: plan from target CPA with popunder CPM as the baseline.
  • Suppliers: pick 2–3 reliable popunder networks to buy popunder traffic.
  • GEOs: start with 3–5 countries you can localize.
  • Tracking: configure S2S postback; confirm costs and conversions match.
  • Targeting: GEO + device/OS/browser + connection + dayparting.
  • Frequency: begin 1–2 per 24h; increase only on proven sources.
  • Bids: start near floor; adjust after meaningful data.
  • Landing: fast, localized, single clear CTA.

Week-1 cadence: launch small → verify tracking → cut weak zones → raise bids/caps only on winners.

Popunders in 2025: Are they still worth it?

Yes — when matched with the right offer and setup. 2025 overviews point to three things:

  • popunders still have scale and low entry costs
  • they're simpler to launch than many formats
  • they remain effective when you respect user experience

Popunder ads work when your funnel is fast, localized, and supported by sane caps and source-level optimization.

Popunders in 2025

How do popunders actually work?

User gesture

A page runs a small script; after a real click/tap, a popunder ad opens behind the active tab.

Landing loads & tracking

Pass a zone/source ID and a click ID; fire an S2S postback on conversion.

Cap frequency

Keep exposure reasonable with frequency capping (e.g., 4 popunders in 2 hours).

Where should I buy popunder traffic?

Pick a popunder network for reliability first, price second.

Model & budget

Most buyers buy popunder traffic on CPM; plan tests from target CPA and expected CPM.

Supply fit

Match GEOs/verticals and ensure source-level stats are available.

Targeting & tracking

Standard controls + S2S postback for accurate attribution.

Where to buy popunder traffic
Avoid the buy cheap popunder traffic trap: low CPM without controls usually means waste.

How do I launch my first campaign the right way?

Offer & GEO check

Pick a simple, fast funnel. Confirm the offer allows popunder ads and your target countries.

Pricing & budget

Most buyers buy popunder traffic on CPM; back into a test budget from your target CPA.

Tracking first

Pass a click ID and zone/source ID; fire an S2S postback on conversion.

Targeting

Start with GEO, device/OS/browser, connection/carrier, and dayparting.

Bids

Begin near the floor; don't chase top position early.

Frequency capping

Start conservative (e.g., 1–2 per 24h), raise only on proven segments.

How do I optimize and scale without burning budget?

Frequency as a dial

Increase caps gradually on winning zones; reduce if bounce or complaints rise.

Source management

Whitelist zones that beat CPA for several days; pause zones with spend and no conversions.

Bid logic

Bid up on segments consistently below target CPA; bid down where spend exceeds thresholds.

Automation

Simple rules help: pause a zone if spend > X with 0 conv.

Data windows

Make calls only after enough impressions and a fair spend to avoid random noise.

How much should I spend? (14-day test plan)

Days 1-3

Launch small across 2–3 suppliers and 3–5 GEOs.

Verify postback and cost sync before touching bids or caps.

Days 4-7

Cut zones with spend and no conversions.

Test a second landing or headline.

Raise bids only on sources beating CPA.

Days 8-14

Whitelist top popunder traffic sources.

Consider a modest frequency increase on proven sources.

Expand to an adjacent GEO or device segment.

What are the risks and how do I stay compliant?

Quality concerns

Treat unrealistically low CPM or unlimited volume promises with caution.

User experience

Keep frequency sane; avoid loops, forced redirects, auto-downloads.

Compliance rules

Confirm allowed GEOs, devices, and vertical rules before launch.

Documentation

Keep a change log for bids, caps, creatives and GEOs.

Conclusion

You now know what is popunder traffic, how popunder ads work, where to buy popunder traffic, and how to keep costs in line with popunder CPM.

The next step is simple: shortlist 2-3 popunder networks with controls and postback, then launch a compact campaign across 3–5 GEOs and optimize by source, not by hunch.

Do this, document every change, and scale steadily — not by chasing buy cheap popunder traffic, but by compounding proven segments.

Buy popunder traffic