Measuring Design: Essential Metrics
Briefly

Task success rate is a vital metric that measures how effectively an individual user completes tasks, expressed in a percentage reflecting successful outcomes.
User engagement, measured by time spent on a page, is crucial in assessing how effectively a page captures and maintains visitor interest.
Customer satisfaction score (CSAT) is an essential metric derived from user surveys, indicating how satisfied users are with a product or service.
Retention is a crucial metric that evaluates customer loyalty and business success, indicating how effectively a company maintains its customer relationships.
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