I noticed that (at least on the German project website) the "About Debian" (in German "Über Debian") button redirects to "https://www.debian.org/intro/about", which fails with an Apache error message.
Forbidden
You don't have permission to access /intro/about on this server. Server unable to read htaccess file, denying access to be safe
Apache Server at www.debian.org Port 443 Best Regards Luis Felger