Admittedly I’ve only used it with a preconfigured theme and no need for real customization. If you do need those features, I’d imagine the other commenters are correct.

I would also recommend Hugo, and believe it meets your requirements. The header markdown looks very similar to what you wrote, and it has tags. I’m not sure about a tag “cloud” the way you imagine it, but it’s worth looking into.

I have a storage VPS and use Borg backup with Borgmatic. In my case, I have multiple systems in different repos on the remote. There are several providers, such as hetzner, borgbase, and rsync.net that offer borg storage, in the event you don’t want to manage the server yourself.

Someone send this to Stallman, so he can later download, print and view it at his pleasure.

Have you been wronged by njalla?

I think having an external owner is preferable.