CONVERSION-OPTIMIZATION4 MIN READ
Sort the Metrics: Primary, Guardrail, or Diagnostic?
Categorize experiment metrics by decision role rather than reporting them as one flat list.
Place each metric into the bucket that best describes how it should be used in an A/B test readout. Primary metric Guardrail metric Diagnostic metric Completed purchases Payment failure rate Refund requests within 7 days Checkout submit rate Field validation error rate Average order value Scroll depth on the checkout page Support chats about payment problems
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