Google OpenRTB protocol adoption completes programmatic industry shift to unified standards
The programmatic advertising industry has fully consolidated around the OpenRTB 2.x standard following Google's retirement of its proprietary Authorized Buyers protocol in February 2025. Current industry efforts are focused on improving bidstream efficiency through throttling and ad podding, alongside navigating new regulatory requirements for user privacy.
Key Takeaways
- PubMatic now processes 2.7 trillion bid requests daily, leading to new publisher fees of $0.001 per thousand impressions for excess volume.
- StackAdapt and Index Exchange reduced queries per second by 71% by bidding on entire streaming ad breaks rather than individual spots.
- A March 2026 federal settlement requires Google to implement an RTB Control that strips encrypted identifiers and IP addresses from requests.
- Amazon donated its Dynamic Traffic Engine to the IAB Tech Lab to help buyers signal inventory preferences and reduce programmatic waste.
Why It Matters
The consolidation around OpenRTB 2.x ends a decade of protocol fragmentation, allowing the industry to focus on the massive infrastructure costs of processing trillions of daily requests. For streaming providers, the adoption of ad podding within the 2.6 specification is critical for maintaining broadcast-quality breaks without overwhelming exchange capacity. This shift occurs as regulatory pressure forces a move away from granular tracking, effectively turning the bidstream into a less identifiable, context-heavy environment. Watch for the impact of Google's court-mandated RTB Control on programmatic CPMs, which recently rose 51% year-over-year despite a decline in connected television pricing.
Read full article at ppc.land
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