<https://secure.gravatar.com/avatar/c33abbf88aed26605edd9079765a732c?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://onlinewebtutorblog.com/authentication-tutorial-in-cakephp-4/>