redxef

You can place the .xpi file in a special folder. On my linux system that is in /usr/lib/firefox/browser/extensions/. Which would be the system wide folder. There are others which only affect the current user thkugh.

The user folder is $profile_dir/extensions/. To open the profile directory you can type about:profile in you address bar and click on Open Directory besides Root Directory in the default profile section.

With the limited info you have given my first thoughts would be: dns: ipv6 vs 4; firewall; basically anything network related

1.5l SIGG for about 20 years.

I just recently updated shutup10 because of another annoyance of windows and was surprised that it didn't solve my problem right away. Even with shutup10 it's barely bearable.

Yes, mostly university and work though. I don't have a tablet and the drawing tablet is at home most of the time. Pen and paper just gives more flexibility than text. Though I instantly scan them and upload them to my paperless instance.

OVH. With existing certbot integrations, a well documented API and not being too expensive I'm quiet happy with it.

Yubico Authenticator, mit zugehörigen Hardware-Tokens. Dazu ein zweites Token als Backup an einer anderen Location.