Rule: Error correction suggestions

Rule ID Error 3
Conformance Required
Definition When input error is automatically detected and suggestions are automatically known, the suggestions must be provided to the user (some exceptions).
  • Users benefit from being informed of invalid input and on how to correct invalid input.
Conformance Required
WCAG Success Criteria

Success Criterion 3.3.3 Error Suggestion

Rule Category Forms
Rule Scope Element
  • Add aria-describedby reference on the form control or widget to reference suggestion information.
  • Use a popup list to provide suggested values for valid input.
Information Links