stop writing stuff in React. it doesn't make things faster. you make things faster by understanding the fundamentals of computer science. my laptop is running too hot because you - the asshole - didn't do your research.
Discussion
There is no reason for an interactive webpage to make any device run slow or hot in modern times.
I hate JavaScript and think it was a big mistake, buuuuut...
As far as the new cool thing goes, Svelte actually seems kinda okay (in the context of the greater JS ecosystem being super gay, of course)