AI Bidding Quality Signal CPA Benchmark (2025)
Tags: Statistics
TL;DR
- Benchmark: Campaigns using AI bidding with media quality signals achieved significantly lower CPA versus those without.
- Source: DoubleVerify Global Insights 2025.
Why it matters for HK marketers: Adding verification quality inputs into bid models is a proven lever for immediate CPA efficiency.
The benchmark
- Setup: Compare campaigns with AI-powered bidding that ingests quality signals against those that do not.
- KPI: Cost Per Action (CPA) across brands.
- Finding: Quality-signal integration materially reduces CPA at the bidding-system level.
-35% CPA for brands using AI bidding with quality signals vs. without (DV, 2025).
Implications
- Operational: Ensure verification signal pipes are active and mapped into optimization.
- Measurement: Run a controlled split (with/without quality signals) to confirm CPA delta on your portfolio.
So what for marketers
If CPA is a core KPI, make quality-signal ingestion a default in all AI-bid campaigns and validate impact with a short pre/post or A/B test.
Sources:- Article3_Media_Quality_Performance_Lever_v12.docx
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