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WCAGAAA

How to test criterion 3.3.6 “Error Prevention (All) — For web pages that require the user to submit information, at least one of the following is true:”

WCAG references
  • 3.3.6 Error Prevention (All) (AAA)

What this criterion says

For web pages that require the user to submit information, at least one of the following is true:

Reversible
Submissions are reversible.
Checked
Data entered by the user is checked for input errors and the user is provided an opportunity to correct them.
Confirmed
A mechanism is available for reviewing, confirming, and correcting information before finalizing the submission.

Official methodology to test criterion 3.3.6

Official W3C techniques

The W3C does not publish a test procedure for this criterion. It publishes techniques instead: documented ways to meet it, and the failures that do not.

Sufficient techniques

  • Following the <a href="https://www.w3.org/WAI/WCAG22/Understanding/error-prevention-legal-financial-data#techniques">sufficient techniques for Success Criterion 3.3.4</a> for all forms that require the user to submit information