The waterfall model is history — but understanding it is essential for anyone managing a publisher's ad stack. Plus: how a waterfall-like practice is quietly creeping back into modern header bidding setups.
Header bidding explained by someone who's implemented it across hundreds of publishers — not by a vendor selling you one. What it is, how it works, and what your ad partner isn't telling you.
A real story about a publisher losing revenue for weeks — and why the cause was invisible to every ad platform in their stack.
Key Metrics to Track Header Bidding Performance
Beyond CPM and fill rate — the metrics that actually reveal whether your setup is leaving money on the table. Including a hidden timeout configuration that can silently cost you 10% of Prebid revenue.
Client-Side vs Server-Side Header Bidding: What Publishers Actually Need to Know
The real tradeoffs your vendor isn't explaining — including why moving to server-side might give you better page speed but less visibility into your own auctions.
What Your Ad Network Says vs What It Actually Means
From "we optimize for your benefit" to "we can't block that advertiser" — a translation guide to what intermediaries say, what they actually mean, and what you can do about it.