metrics-for-designers
Installation
SKILL.md
Metrics for Designers
What to Measure
Usability Metrics
| Metric | How | Good Signal |
|---|---|---|
| Task completion rate | Analytics, testing | >90% |
| Time on task | Session recordings | Decreasing over time |
| Error rate | Form analytics | <5% per field |
| Learnability | First-use vs repeated-use comparison | Converges quickly |