How do I test for WCAG 3.1.2 compliance?

To test Language of Parts: 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 AA

WCAG 3.1.2: Language of Parts

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Success Criterion 3.1.2 — Level AA

Quick Answer

Passages in languages different from the page language must identify their language.

Why It Matters

Screen readers switch pronunciation engines based on language. Unidentified language passages are mispronounced.

How to Audit

Run an automated accessibility scan to detect common Language of Parts 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 Language of Parts issues — manual testing is essential.

How to Fix

Add lang attribute to elements containing content in a different language: Bonjour

Frequently Asked Questions

What is WCAG 3.1.2 Language of Parts?

Passages in languages different from the page language must identify their language.

Is WCAG 3.1.2 required for ADA compliance?

WCAG 2.1 Level AA is the standard referenced in most ADA website lawsuits and DOJ guidance. All Level AA criteria including this one are relevant to legal compliance.

How do I fix WCAG 3.1.2 violations?

Add lang attribute to elements containing content in a different language: Bonjour

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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