What Is the Tabindex Violation?
Ensures tabindex attribute values are not greater than 0.
| WCAG Criterion | 2.4.3 |
| Impact | serious |
| axe-core Rule ID | tabindex |
| WCAG Principle | Operable |
How to Fix Tabindex
Remove all tabindex values greater than 0. Use tabindex="0" to add elements to natural tab order, or tabindex="-1" to make elements programmatically focusable without adding them to tab order.
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🔍 Scan Your Site for Tabindex Violations →Who Is Affected?
The Tabindex violation impacts users who rely on assistive technologies including:
- Screen reader users (JAWS, NVDA, VoiceOver, TalkBack)
- Keyboard-only users who cannot use a mouse
- Users with cognitive disabilities who rely on clear structure
Approximately 1 in 4 adults in the United States has some type of disability. Fixing this violation improves access for millions of users.
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