Optimize Lottie Animations
A complete, actionable workflow for making Lottie animations lighter, faster, and production-ready — from design through delivery.
Phase 1: Design-Level Optimization
Minimize anchor points
Every extra vertex adds bytes. Use Illustrator's Simplify Path before importing to AE.
Avoid raster images
Embedded PNGs/JPGs balloon file size. Use vector shapes and gradients instead.
Limit layer count
Each layer adds transform data. Merge decorative elements into single shape layers.
Skip unsupported effects
Gaussian blur, drop shadow, and 3D layers don't export cleanly. Use shape-based alternatives.
Use shape repeaters
Instead of duplicating layers 10x, use a single repeater modifier for patterns.
Phase 2: Animation-Level Optimization
Reduce keyframe density
Remove unnecessary keyframes. Ease-based motion needs fewer keys than frame-by-frame.
Trim dead frames
Cut empty frames at start/end. Set work area precisely before export.
Avoid expressions
Baked expressions generate verbose keyframe arrays. Use manual keyframes where possible.
Limit frame rate
24fps is sufficient for most UI animations. Higher rates multiply data volume.
Simplify easing curves
Complex bezier handles create larger keyframe objects. Standard ease-in/out works well.
Phase 3: Export-Level Optimization
Use Bodymovin standalone mode
Avoids external asset references that complicate deployment.
Disable hidden layers export
Uncheck 'Include hidden layers' to exclude invisible content.
Set decimal precision
Reduce coordinate precision from 6 digits to 2-3 in Bodymovin settings.
Export only needed comps
Don't export the entire project — select specific compositions.
Validate post-export
Preview in LottieFiles or lottie-web before shipping to production.
Phase 4: Delivery Optimization
Enable gzip/brotli compression
JSON compresses extremely well — 80%+ reduction with brotli on your CDN.
Lazy-load animations
Only load Lottie files when they enter the viewport using Intersection Observer.
Use dotLottie format
.lottie files are zipped bundles that reduce transfer size by 50-80% over raw JSON.
Cache aggressively
Set long cache headers — Lottie files rarely change after deployment.
Preload critical animations
Use <link rel='preload'> for hero animations to avoid layout shift.
Production-Ready Checklist
- All layers are vector-based (no raster images)
- Layer count is under 20 for simple animations
- No unused or hidden layers in the composition
- Frame rate is 24-30fps (not 60fps)
- Animation duration is under 10 seconds
- Keyframe count is minimized with proper easing
- Path complexity is simplified (fewer anchor points)
- Bodymovin export excludes hidden layers
- JSON is minified (no whitespace/formatting)
- Served with gzip or brotli compression
- Playback validated on target devices
- Total file size is under 100 KB
Compress your file automatically
Use our free Lottie compressor to strip unused data and minify your JSON instantly.
Open Compressor