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Development Animation Motion Performance

Motion without the performance tax

Subtle animation improves perceived quality — if you respect budgets, reduced motion, and ship less JavaScript.

1 min read Alex Morgan

Animation is easy to overdo. The best product sites use motion to guide attention, not decorate every element.

Use motion sparingly

I limit entrance animations to section reveals and card grids. Hover states stay CSS-first; Motion.dev handles sequences that are awkward in pure CSS.

Respect prefers-reduced-motion

Always gate non-essential animation behind a reduced-motion check. Launchfolio’s motion utilities short-circuit when users prefer less movement — this is both accessible and performance-friendly.

Lazy-load animation code

Import motion inside functions that run after paint or when elements enter the viewport. Avoid loading animation libraries on pages that don’t need them.

Measure impact

Compare Lighthouse scores before and after adding motion. If you’re dropping more than a few points, simplify or defer effects.

When done well, motion makes a static site feel alive. When done poorly, it makes a fast site feel heavy.

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