How do I test for WCAG 2.4.3 compliance?

To test Focus Order: 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 2.4.3: Focus Order

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Success Criterion 2.4.3 — Level A

Quick Answer

If focus order affects meaning, keyboard focus must move in a logical sequence.

Why It Matters

Illogical focus order (e.g., jumping from header to footer) disorients keyboard and screen reader users.

How to Audit

Run an automated accessibility scan to detect common Focus Order 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 Focus Order issues — manual testing is essential.

How to Fix

Ensure Tab order follows visual reading order. Test by tabbing through every page.

Frequently Asked Questions

What is WCAG 2.4.3 Focus Order?

If focus order affects meaning, keyboard focus must move in a logical sequence.

Is WCAG 2.4.3 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 2.4.3 violations?

Ensure Tab order follows visual reading order. Test by tabbing through every page.

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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