Hi @rodrigoalcarazdelaosa,

Apologies for the delayed response — just saw this.
Thanks for sharing the details.

You’re right that there’s a noticeable difference in JS execution time between tgs-player and dotlottie-wc. That’s somewhat expected due to the way the players are built:

• dotlottie-web relies on the ThorVG rendering engine, which is compiled to WebAssembly. The gzipped .wasm binary is around 700KB, plus an additional ~57KB for the JS bundle.
• In contrast, tgs-player is a purpose-built lightweight renderer specifically for Telegram stickers, making it much smaller and faster.

That said, dotlottie-web isn’t just a player — it’s a full runtime for .lottie features like theming, state machines, expressions, and multi-animation support, which naturally adds some overhead.

We’re currently working on a lighter Lottie player optimized for both size and performance, especially for simple use cases like yours.

In the meantime, if you don’t need .lottie-specific features, lottie-player or tgs-player would be more efficient for TGS playback.
Still, dotlottie-wc can load TGS animations — here’s a CodePen demo showing that in action.

Thanks again, and really appreciate you flagging this.