<ul><li>Key metrics every product designer should know include completion rates, error rates, task speed, and user engagement.</li><li>Understanding user behavior like clicking on unresponsive elements and seeking help indicates potential design issues.</li><li>Metrics such as NPS score, retention rates, and churn rate help evaluate user satisfaction and product stickiness.</li><li>Design impact on revenue can be evaluated through metrics like revenue per user, customer acquisition cost, and conversion rate.</li></ul>

Boost your design impact: understanding metrics that matter

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