WCAG 2.4.3 (Focus Order) requires that when components receive focus sequentially, the order preserves meaning and operability. Focus should follow a logical, predictable pattern.

How do I test focus order?

Press Tab repeatedly on your page and observe where focus goes. Use the Focus Order Visualizer to see numbered indicators on all focusable elements. Compare the tab sequence against your visual layout.

Should I use tabindex on everything?

No. Native HTML elements (links, buttons, inputs) are already focusable. Only add tabindex=0 to custom interactive elements. Never use positive tabindex values.

How do I fix focus order issues?

Reorder the DOM to match visual layout. Do not use CSS to visually reposition elements without matching DOM order. Remove focus from hidden elements. Provide visible focus indicators.

How to Visualize and Fix Keyboard Focus Order (2026)

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