Fix handling of sites that don't support SSL/TLS
Fix handling of sites that don't support SSL/TLS

jasonthomas/tls-observatory,mozilla/tls-observatory,mozilla/tls-observatory,mozilla/tls-observatory,jasonthomas/tls-observatory,mozmark/tls-observatory,mozmark/tls-observatory,mozilla/tls-observatory,jasonthomas/tls-observatory,jasonthomas/tls-observatory,mozilla/tls-observatory,mozilla/TLS-Observer,mozmark/tls-observatory,jasonthomas/tls-observatory