Earlier quoted context omitted.
I don’t think you’ve properly considered what a terrible idea this is.
Please explain as I am curious
A separate subdomain:
- Requires separate TLS certificates to be maintained.
- Doesn't play nice with caching.
- Doesn't play nice with password managers.
- Doesn't work with any existing links. Users would have to manually add the `dark` prefix.
- Is generally a bad user experience.