This site seems to use netlify and it doesn't serve responses.

I know Borg has a good reputation but two years ago I experimented with a Linux laptop. I set up Borg and within 6 months my backups were corrupted twice and not recoverable. Not sure if this common but I personally wouldn’t use it again.

The intricacies of Borg are exactly why I switched over to a wrapper around pure git: https://kernc.github.io/myba/