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What Is Keyboard Accessibility? Completing Tasks Without a Mouse

Keyboard accessibility means users can complete core tasks with Tab, Shift + Tab, Enter, Space, and arrow keys without relying on a mouse.

Key Takeaways

  • Keyboard accessibility means a site works without a mouse.
  • Interactive controls must be reachable, visible when focused, operable, and escapable.
  • It is one of the highest-priority checks before release.

Why it matters

Many users rely on keyboards, alternative input devices, or assistive technologies. If the main flow only works with a mouse, those users are blocked.

What to check

Keyboard testing should walk through the main task, not only isolated controls.

  • Logical tab order.
  • Clear visible focus.
  • Operable buttons, links, menus, and dialogs.
  • No keyboard traps.

Frequently Asked Questions

Is mouse-only interaction accessible?

Usually no. Core functionality should be operable with a keyboard.

What should keyboard focus review usually check?

At minimum, check whether interactive elements can receive focus, whether focus moves through key regions in a reasonable order, whether focus is visible, and whether users can leave menus, dialogs, or components instead of being trapped.

Does mouse operation prove keyboard accessibility?

No. Mouse operation does not prove keyboard operation. Accessibility testing still needs a keyboard walkthrough of core tasks to confirm focusability, operability, reasonable order, visible focus, and no traps.

Related Pages

References