How do I test for WCAG 1.4.12 compliance?

To test Text Spacing: 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 1.4.12: Text Spacing

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Success Criterion 1.4.12 — Level AA

Quick Answer

Content must not lose functionality when text spacing is increased (line height 1.5x, letter spacing 0.12em, etc.).

Why It Matters

Users with dyslexia and low vision increase text spacing for readability. Overflow-hidden elements cut off content.

How to Audit

Run an automated accessibility scan to detect common Text Spacing 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 Text Spacing issues — manual testing is essential.

How to Fix

Test with bookmarklet that applies WCAG text spacing requirements. Fix overflow and fixed-height containers.

Frequently Asked Questions

What is WCAG 1.4.12 Text Spacing?

Content must not lose functionality when text spacing is increased (line height 1.5x, letter spacing 0.12em, etc.).

Is WCAG 1.4.12 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 1.4.12 violations?

Test with bookmarklet that applies WCAG text spacing requirements. Fix overflow and fixed-height containers.

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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