# WCAG 2.2 – 2.3.3 Animation from Interactions

- Level: AAA
- Principle: 2 Operable
- Guideline: 2.3 Seizures and Physical Reactions
- Introduced in: WCAG 2.1

## What the rule requires

Motion effects triggered by scrolling or clicking can be turned off. Parallax and zoom effects can cause dizziness and nausea.

## How to get it right

Respect the system setting: animate only inside @media (prefers-reduced-motion: no-preference).

## Who benefits

- People with vestibular disorders

## Sources

- [This rule on wcag.dehl.net](https://wcag.dehl.net/en/wcag/2-3-3/)
- [Interactive demo](https://wcag.dehl.net/en/demos/#motion)
- [Official W3C explanation](https://www.w3.org/WAI/WCAG22/Understanding/animation-from-interactions)
- [Techniques (WCAG Quick Reference)](https://www.w3.org/WAI/WCAG22/quickref/#animation-from-interactions)

_Plain-language explanation. Only the original W3C text is normative._