Accessibility

Reduced Motion

Motion sensitivity preference

Live Playground

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API Docs

Endpoint

GET /api/fingerprint/reduced-motion

Examples

About

Reduced motion fingerprinting detects prefers-reduced-motion CSS media query, indicating user preference to minimize non-essential motion and animations. Enabled by users with motion sensitivity, vestibular disorders, or general preference for reduced animation. While intended for accessibility, this setting has low adoption (1-2% of users) making it a distinctive fingerprint. The setting reveals medical information and should be used for accessibility purposes only, not tracking. Privacy-conscious users sometimes enable this for battery saving or performance. The value is stable per user unless they change accessibility settings.

Use Cases

•Accessibility accommodation
•Animation control
•Medical indication
•Performance preference

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Core pages

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