If they are static sites and mostly text, they could be hosted directly out of freaking S3 for a pittance. There is no way a service this niche and this intentionally minimal consumes enough bandwidth to make that painful.
It's called an invitation, just in case anyone who has more info, or the owner, wanted to reach out. If you assumed, apropos of nothing, that's a comment on HN were my only actions on the matter, well, maybe don't do that.
Perhaps in the future be less insulting and make fewer assumptions.