Google Ads · Status at source date: Newsletter archive
Demand Gen Uplift Experiments measure incremental impact alongside PMax
Demand Gen Uplift Experiments is a new automated A/B testing framework that measures the statistically significant uplift of adding Demand Gen to an existing campaign mix (PMax, App, Video, Display). The mechanic provides a turnkey way to isolate Demand Gen's impact on conversions, sales, CPA, or ROAS: answering the long-standing question of whether Demand Gen is incremental or cannibalising.

What changed
Google's data: adding Demand Gen to Search and PMax campaigns delivers +10% higher ROAS and +12% higher sales effectiveness vs. campaigns without Demand Gen (Nielsen MMM meta-analysis commissioned by Google in 2024; 1.1MM campaigns across 104 weeks).
Why it matters for advertisers
For you, this means YouTube-running performance accounts can finally prove Demand Gen's incremental value to finance and leadership stakeholders rather than arguing for it on conversion-count grounds. Worth lining up an Uplift Experiment for a high-spend campaign as the structured input to 2026 budget planning conversations. Availability: Closed Beta, Global, All.
Perspective from the original PMC newsletter.Sources & contributor credit
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- Published on this site
This update reflects the dated source reporting. Availability may have changed. Further coverage of this same development will be added to this page.
Original newsletter text and archive evidence
Demand Gen Uplift Experiments measure incremental impact alongside PMax
Demand Gen Uplift Experiments is a new automated A/B testing framework that measures the statistically significant uplift of adding Demand Gen to an existing campaign mix (PMax, App, Video, Display). The mechanic provides a turnkey way to isolate Demand Gen's impact on conversions, sales, CPA, or ROAS: answering the long-standing question of whether Demand Gen is incremental or cannibalising. Google's data: adding Demand Gen to Search and PMax campaigns delivers +10% higher ROAS and +12% higher sales effectiveness vs. campaigns without Demand Gen (Nielsen MMM meta-analysis commissioned by Google in 2024; 1.1MM campaigns across 104 weeks).
For you, this means YouTube-running performance accounts can finally prove Demand Gen's incremental value to finance and leadership stakeholders rather than arguing for it on conversion-count grounds. Worth lining up an Uplift Experiment for a high-spend campaign as the structured input to 2026 budget planning conversations.
Availability: Closed Beta, Global, All.
Source captured . No explicit first-contributor label was provided for this update.




