Super slow to show/render

Hi all,

Apologies if this is in the wrong place.

I’ve been experimenting with Lottie animation. I’ve created a very basic one, exported out via the Lottie files plugin in after effects. It doesn’t have any additional effects, and is made of basic shapes with alpha matte as a mask.

Am I missing something obvious with regards to exporting and optimising? My laptop goes nuts when previewing the page, and the animation is nowhere near smooth when playing (i.e. almost looks like it’s rendering a preview!)

Thank you