To get the best performance we wan to use webworkers and the offscreen vanvas API. As of 2022-06-03 the Safari and Firfox doesn't support it but it is in active development. I beleive that eventually it will be a necessary addition. Especially if we want to render movies and stuff.
https://github.com/neomjs/neo https://itnext.io/rendering-3d-offscreen-getting-max-performance-using-canvas-workers-88c207cbcdc2