# Heuristics scoring guide

Score Nielsen's 10 heuristics from 0 to 4.

- 0 = broken or absent
- 1 = major gaps
- 2 = mixed or partial
- 3 = solid with minor issues
- 4 = genuinely excellent

## Heuristics

1. Visibility of system status
2. Match between system and the real world
3. User control and freedom
4. Consistency and standards
5. Error prevention
6. Recognition rather than recall
7. Flexibility and efficiency of use
8. Aesthetic and minimalist design
9. Help users recognize, diagnose, and recover from errors
10. Help and documentation

## Rating bands

- 36-40: excellent
- 28-35: good
- 20-27: acceptable
- 12-19: poor
- 0-11: critical

## Severity labels

- `P0` blocking: prevents task completion
- `P1` major: fix before release
- `P2` minor: fix next pass
- `P3` polish: fix if time permits