Advanced Features

Advanced dotLottie web player techniques - offload rendering to a Web Worker, render on the GPU, and tune render configuration for maximum performance.

Guides for getting the most out of the web player in demanding scenarios.

Web Worker rendering

Offload animation rendering to a dedicated Web Worker to free the main thread.

Render animations in a web worker →

GPU rendering

Hand rasterization to the GPU with the WebGL2 or WebGPU backend, and fall back cleanly when neither is available.

Render on the GPU with WebGL or WebGPU →

Performance optimization

Preload the WASM engine, tune render configuration, manage memory, and lazy-load animations.

Optimize performance →

Last updated: August 13, 2026 at 9:17 AMEdit this page