Website animation
Working code and practical checks for subtle, accessible interface animation.
How to add subtle animation to a website with AI
Use a focused AI brief, a CSS example, and an interaction test sheet to add subtle website animation with a reduced-motion fallback.
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Animate an accordion with CSS while keeping it usable
Use an original native-details example, a small opening animation, and a keyboard/reduced-motion checklist for an accordion.
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Animate a filtered list without confusing item identity
Use stable keys, measure positions before and after the update, and cancel motion when filters change rapidly.
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Cancel a Web Animations API effect cleanly
Keep final state in normal styles, handle a rejected finished promise, and clean up when the component leaves.
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CSS transition or animation: choose by the state change
Use transitions for changing states, keyframes for defined sequences, and keep motion tied to a real interaction.
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Make hover motion work with touch and keyboard use
Keep hover decorative, use real controls, and provide visible focus without requiring pointer movement.
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Design loading motion that does not pretend progress
Choose between a quiet status, skeleton, and real progress indicator, and stop movement when loading ends.
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Audit interface motion before shipping
Inspect purpose, reduced motion, rapid input, focus, performance, and the final state with a repeatable review sheet.
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Choose animation timing and distance by what users need to see
Start small, compare variants in context, and avoid treating timing tokens as universal rules.
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Add a page transition as a progressive enhancement
Feature-detect the View Transitions API, preserve ordinary updates, and remove motion when the user requests it.
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Let people stop a looping website animation
Use a stop control, reduced-motion rule, and original CSS/JavaScript example for optional looping decoration on a website.
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Respect prefers-reduced-motion in CSS and JavaScript
Provide an immediate state in CSS, listen for preference changes in JavaScript, and cancel active movement when needed.
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