How do I test for WCAG 3.3.1 compliance?

To test Error Identification: use automated tools like AltorLab's scanner for initial detection, then manually verify with keyboard navigation and screen reader testing. Check the specific failure modes described in the WCAG documentation.

🟢 Level A

WCAG 3.3.1: Error Identification

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Success Criterion 3.3.1 — Level A

Quick Answer

If an input error is automatically detected, the error must be identified and described in text.

Why It Matters

Color-only error indicators and vague 'invalid input' messages are inaccessible.

How to Audit

Run an automated accessibility scan to detect common Error Identification failures. Then manually verify with: keyboard-only navigation, a screen reader (VoiceOver on Mac, NVDA on Windows), and browser developer tools. Automated tools catch approximately 40% of Error Identification issues — manual testing is essential.

How to Fix

Show specific error messages in text near the field: 'Email address must include @'.

Frequently Asked Questions

What is WCAG 3.3.1 Error Identification?

If an input error is automatically detected, the error must be identified and described in text.

Is WCAG 3.3.1 required for ADA compliance?

WCAG 2.1 Level A is the minimum baseline for ADA website compliance. Courts have upheld WCAG 2.1 AA as the standard for ADA Title III lawsuits.

How do I fix WCAG 3.3.1 violations?

Show specific error messages in text near the field: 'Email address must include @'.

Disclaimer: This guide is for informational purposes only and does not constitute legal advice. Consult a qualified ADA/accessibility attorney for your specific compliance situation.

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