Part of Lemmy is Rust. And then for some reason the web-ui has both a frontend and a backend component as well, and the backend component of the web-ui is writt

Part of Lemmy is Rust. And then for some reason the web-ui has both a frontend and a backend component as well, and the backend component of the web-ui is written in Javascript. I wonder to which extent this negatively impacts the perf of Lemmy.