Website .well-known directory
IANA
RFC8615
defines a “.well-known/” folder for web servers to put metadata fundamental to a web server’s organization, policies or contact information.
Several popular files are seen under public website https://example.invalid/.well-known/
directory.
- keybase.txt
- verify ownership of domain for Keybase.io
- security.txt
- security incident contact info
- dnt-policy.txt
- Do Not Track Policy statement
- humans.txt
- author information