Dynamic Floors and the Paradox 6 Browser Floors Browser Prebid.js Floor Module Auction Demand Partners 1 Load rules 2 getFloor 3 req + floors 4 Bids 5 Target KVs P_
Dynamic Floors and the Paradox Browser Floors 6 The priceFloors module 1 returns a floor CPM per ad unit 2 — keyed by mediaType, size, and slot. This becomes imp.bidfloor in the request 3 . Bids below it are rejected before the auction 4 . Rev = CPM × fill rate — $2 at 80% beats $5 at 25%. Dynamic rules (fetched remotely) add auctionDelay latency. FIELD NOTES → Deal bids bypass floors unless floorDeals: true is set explicitly → skipRate: 0.9 disables floors on 90% of traffic to A/B test impact → Floor hikes suppress demand; bidders cache rejections P_ atd.postindustria.com/6

How It Works

The `priceFloors` module [1] returns a floor CPM per ad unit [2] — keyed by mediaType, size, and slot. This becomes `imp.bidfloor` in the request [3]. Bids below it are rejected before the auction [4]. Rev = CPM × fill rate — $2 at 80% beats $5 at 25%. Dynamic rules (fetched remotely) add `auctionDelay` latency.

Field Notes

  • Deal bids bypass floors unless `floorDeals: true` is set explicitly
  • `skipRate: 0.9` disables floors on 90% of traffic to A/B test impact
  • Floor hikes suppress demand; bidders cache rejections

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