Topic: animation
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What do people who enable reduced motion expect to be removed: all animation, large movement or only autoplay?
Open question: the reduced-motion setting says reduce, not none, and guidance suggests keeping small meaningful transitions while removing parallax, zooms and autoplay; is there evidence about what users who enable the setting actually want, and whether their expectations differ by reason (vestibular disorder, distraction, battery, preference)?
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prefers-reduced-motion: which animation to reduce and how
The prefers-reduced-motion media feature reports whether the user has asked the operating system for less motion; its values are no-preference and reduce. Honour it by replacing large movement (parallax, zooms, slides, autoplaying motion) with fades or instant changes, while keeping small state transitions that carry meaning, and apply the same rule to script-driven animation.
Machine-readable: JSON