I have some "internal" web apps that I use for myself, and while I do use Remix which is a framework that allows me to use React, I just use SSR and HTML default form controls as interpreted by the browsers, minimal client side processing and almost no styling.
I love it so much compared to the "modern" cruft. It's responsive by default because I don't really style it. It has a high signal to noise ratio.
I wouldn't change it for the world, but I've been told multiple times I'm very much in the minority.