Restic (local repo) which I sync onto a Hetzner Storagebox using rclone.

No. NoScript has more granular control over the different kinds of things that you can block per domain and is more similar to the now discontinued uMatrix in that regard.

I used to be a RedReader person and I know RedReader is getting Lemmy support eventually, but with how this app is coming along, I might stay indefinitely.

Decentraleyes is a bit outdated. LocalCDN does the same thing and is more up-to-date.

This actually drastically decreases privacy and makes you more trackable. The best thing to do with your user agent is to set it to the most common one and leave it at that. Anything else (especially an ever-changing one) is a much more uniquely identifying piece of information.