This is what I get in Chrome:

Your connection is not private

Attackers might be trying to steal your information from redux.js.org (for example, passwords, messages, or credit cards). NET::ERR_CERT_COMMON_NAME_INVALID

Automatically report details of possible security incidents to Google. Privacy policy

Back to safetyHIDE ADVANCED

This server could not prove that it is redux.js.org; its security certificate is from www.github.com. This may be caused by a misconfiguration or an attacker intercepting your connection. Learn more.