# A/B test winner classification

Determines statistical winner between ad copy, email subject, or landing page variants based on conversion rate and sample size.

Grade: C — A clean typed decision with low volume or low value, or too vague to act on.. Score: 3.78.

Vertical: Cross-industry.

Function: Personalization & CRO.

Status: Seen in the wild.

Volume: occasional.

Value: meaningful.

Risk: moderate.

Evidence: described plan.

Flags: check-fit.

- [Source](https://products.zetaglobal.com/sailthru/Content/messaging/email/campaigns/ab-winner.html)
- [Vertical](/verticals/cross_industry/)
- [Function](/functions/personalization_cro/)
- [Visitor-aware homepage hero assembly](/use-cases/visitor-aware-homepage-hero-assembly/)
- [Next-best-action recommendation](/use-cases/next-best-action-recommendation/)
- [Which pricing-page variant fits this visitor](/use-cases/which-pricing-page-variant-fits-this-visitor/)
- [Content recommendations by user profile](/use-cases/content-recommendations-by-user-profile/)
- [Dynamic content variant selection](/use-cases/dynamic-content-variant-selection/)
- [Vercel Edge personalization decision](/use-cases/vercel-edge-personalization-decision/)