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Web Accessibility Academy · Lesson

prefers-reduced-motion in CSS and JS

Detect and honor the user motion setting.

A Setting You Can Read

Operating systems let people ask for less motion. The prefers-reduced-motion media feature exposes that choice straight to your site. 🎚️

Where Users Turn It On

People flip reduce motion in OS settings on macOS, iOS, Windows, and Android. Your job is to listen, not to second-guess the choice.

All lessons in this course

  1. prefers-reduced-motion in CSS and JS
  2. Vestibular Disorders and Parallax Risks
  3. The Three-Flash Threshold for Seizures
  4. Pause, Stop, Hide for Auto-Moving Content
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