As of January 2021, users are no longer able to log in to their alexa.com account using Login with Facebook. If you have an alexa.com subscription that you would like to continue, please reach out to Alexa Internet Customer Support before July 4th, 2021 for assistance. You can reach out to us by clicking here.
To protect the security of alexa.com accounts, Alexa.com subscription members that do not contact Alexa Internet Customer Support before July 4, 2021 to continue their subscription will automatically have their subscriptions terminated. On and after July 4th, 2021, former Alexa.com account holders that logged in via Login with Facebook will need to setup a new account at alexa.com/plans.
Note that if you do not have a subscription can sign up for a new account at alexa.com/plans.