
1/5 Track UX beyond vibes. Key metrics: Net Promoter Score (NPS) for loyalty— “How likely to recommend?”
2/5 Task success rate: % completing goals without errors.
3/5 Time on task: Shorter = better efficiency.
4/5 Error rate: Fewer mistakes mean intuitive design.
5/5 Use Google Analytics for bounce rates, heatmaps for engagement. Combine qualitative feedback. Data-driven UX wins