dns/ssl: naked domain is insecure

[DerekNonGeneric]

Please double-check the domain's DNS/SSL management settings, there appears to be a misconfiguration.

Your connection is not private
Attackers might be trying to steal your information from webcomponents.org (for example, passwords, messages, or credit cards). Learn more
NET::ERR_CERT_COMMON_NAME_INVALID

This server could not prove that it is webcomponents.org; its security certificate is from *.webcomponents.org. This may be caused by a misconfiguration or an attacker intercepting your connection.