SSL & Headers Issues in corber.io website

[emanuelb]

Read https://docs.github.com/en/pages/getting-started-with-github-pages/securing-your-github-pages-site-with-https on how to fix some of the issues below.

1. ssl cert error for https://corber.io/

Websites prove their identity via certificates. Firefox does not trust this site because it uses a certificate that is not valid for corber.io. The certificate is only valid for the following names: *.github.com, github.com

2. ssl cert error for https://www.corber.io/

Websites prove their identity via certificates. Firefox does not trust this site because it uses a certificate that is not valid for www.corber.io. The certificate is only valid for the following names: www.github.com, *.github.com, github.com, *.github.io, github.io, *.githubusercontent.com, githubusercontent.com

3. no HSTS, the server need to send this header when visiting the site over HTTPS.
   Strict-Transport-Security: max-age=63072000; includeSubDomains; preload

4. Missing redirect from http to https in domains:
   https://corber.io/
   https://www.corber.io/

5. no HSTS preload:
   after fixing above issues, apply for preloading here:
   https://hstspreload.org/?domain=corber.io

6. Disable FLOC with header on all domains:

Permissions-Policy: interest-cohort=()

About FLOC: https://plausible.io/blog/google-floc