Level ASince WCAG 2.1
2.5.4 Motion Actuation
Guideline 2.5: Input Modalities – Using touch, pointers and motion is simple and forgiving.
What does the rule require?
Functions triggered by shaking or tilting the device are also available as a button – and motion control can be turned off.
How to get it right
Always offer an Undo button alongside “shake to undo”.
Who benefits most?
- People with motor disabilities
Official wording
This page explains the rule in simple words. Only the original W3C text is normative.
- “Understanding Motion Actuation” at W3C (external site)
- Techniques in the WCAG Quick Reference (external site)