Primitive 05 / Holdout

Holdout audience card

Defines a holdout group — what percent of eligible traffic is excluded from the experiment, the estimated subjects, and the precise field/operator/values exclude rules.

Production answer

Holdout audience card is a reusable Oak Flats Muffler Men UI primitive with documented states, accessibility expectations, theme behavior, and implementation evidence.

Primary CTAReview Holdout audience card states
Generative search brief

Holdout audience card: Defines a holdout group — what percent of eligible traffic is excluded from the experiment, the estimated subjects, and the precise field/operator/values exclude rules.

Live primitive · Mufflermen NZ holdout
Holdout audience

NZ wholesale holdout

Hold NZ wholesale account traffic out of the Quote PDF redesign — pricing and tax lines differ for those accounts.

10%
Holdout
Exclude rules
countryis
account_typein
channelis not
Est. 3.1k subjectsEffective until 2026-08-01
Holdout audience

Mobile-only canary

Holdout 5% of mobile traffic from the suburb-pinned CTA test so we keep a clean baseline for revenue tracking.

5%
Holdout
Exclude rules
device.typeis
Est. 780 subjects