3.3 Input Assistance · Understandable
WCAG 3.3.3 Error Suggestion
Level AA
If an input error is detected and suggestions for correction are known, show them, unless that would jeopardise security.
Common failures
- An invalid postcode error doesn't say what a valid postcode looks like.
How to fix
- Suggest valid formats or values when validation fails.
Related criteria
- WCAG 3.3.1 Error Identification Level A