Most website do not run on servo

Definitely looks worse, but I can see why they made the change, gtk is a pain to work with compared to qt

Not exactly what your are looking for, but mihon (formerly tachiomy) fixes my webcomic need. It is both a reader and a downloader. You have different scrapping extension for many sources, thus you can pretty much find anything. If you are fine with a (android) phone only workflow, I recommans you give it a try.

The official installation process won’t work, as Bazzite is an immutable distro.

You can install it with rpm-ostree. If you choose to do so, I invite you to look into what immutable distros are, and what problems they solve (and create).

I was curious and searched if it was more complicated than it looked for ProtonVPN. It doesn’t look complicated, but it is not very straightforward either.

You can find how to do it in the comment of this reddit post

SearXNG is really easy to setup, you should have a go at it.

https://anubis.techaro.lol/docs/user/known-broken-extensions

If you have JShelter installed, it breaks the proof of work from anubis