TrendsMarch 19, 20266 min read
Pop-under in 2026: the underrated workhorse of casino media buying
Pop-under traffic is often dismissed as cheap inventory — done right, it is one of the most scalable sources of casino and sportsbook FTDs. Here is how to buy it properly.

Pop-under is the format everyone underestimates and nobody in the casino space can scale without. It delivers full-page visibility at volume no other format matches — if you buy it with discipline.
Why pop-under still works
- Full-page creative — the offer owns the screen when the user returns to it.
- Massive, scalable inventory across every GEO that matters.
- Ideal for broad RON testing before you build whitelists.
- Excellent for pre-lander flows and quiz-style funnels.
How to buy it properly
Start broad, measure ruthlessly: run RON across 40+ zones, blacklist aggressively after the first days, then shift budget to the top placements with bid boosts. Premium inventory tiers and weekly whitelist rebuilds keep quality high as you scale.
One caution: pop-under attracts fraud like any high-volume format. Fraud filtering before delivery — not after billing — is the difference between scalable volume and an expensive lesson.
Our Pop-Under inventory is live across 195+ GEOs with AI fraud shielding on every campaign.
Scale this with Konvertika
Global iGaming inventory, AI optimization, and fraud filtering on every impression.
