<https://colorblind.org/#/schema/person/image/>
<http://schema.org/url>
<https://secure.gravatar.com/avatar/aca9d21af22a0255eb8044f723f9e02e?s=96&d=mm&r=g>
<https://colorblind.org/index.php/2015/08/12/redesigned-traffic-light-could-assist-the-color-blind/>