Notes on auditing Klaviyo

An honest look at what automated Klaviyo audits actually do well, where "AI-powered" claims get vague, and what still requires human judgment.

A five-step, 15-minute list hygiene checklist for Klaviyo — unengaged suppression, dead segments, duplicate segments, sunset flow suppression, and list growth source.

The thresholds that actually matter for Klaviyo spam complaint rate, why the percentage matters more than the raw count, what usually causes a spike, and what to do about it.

The five flows that show up missing most often across a decade of Klaviyo audits — browse abandonment, win-back/sunset, post-purchase upsell, replenishment, and VIP recognition — ranked by revenue impact.

A fixed, repeatable checklist for auditing flow coverage, flow health, list hygiene, and deliverability signals in a Klaviyo account — the same rubric Fluxchek runs automatically.