Learn LOTTIEFILES with Real Code Examples

Use vector shapes instead of raster images

Optimize After Effects composition layers

Limit number of simultaneous Lottie animations

Leverage caching where possible

Avoid extremely complex expressions or heavy effects

Runs sandboxed in browser/app

JSON files are safe and do not execute code

Avoid loading untrusted remote JSON

No system-level access

Secure hosting of assets recommended

Track FPS and playback performance

Monitor memory usage of JSON files

Ensure interactive triggers respond correctly

Test across devices and screen sizes

Profile web/mobile runtime for smooth playback

Keep Lottie initialization modular

Reuse animation instances where possible

Document triggers and event handlers

Minimize unnecessary re-renders

Organize assets and JSON files consistently