astro_ray

There are still active accounts on lemm.ee?

I am not certain what you mean by online search function. It can connect to the internet but it doesn’t exactly function like a search engine from what I can understand.

I think something like Apostrophe might work for you.
https://gitlab.gnome.org/World/apostrophe

There is a hacky way to turn the background pitch black using css. There used to be an app that I think could change the background. https://github.com/GradienceTeam/Gradience