HN discussion: https://news.ycombinator.com/item?id=41404064
Similar tools:
https://github.com/dividuum/html-vault
https://github.com/MaxLaumeister/PageCrypt
https://github.com/a-nau/password-protected-website-template
https://github.com/sowbug/quaid
https://github.com/mprimi/portable-secret
Thanks to @refalo@programming.dev
No, static sites are usually more js heavy because they offset all the processing to the client.
This is one reason I avoid static sites, and just heavily cache the server.