<https://www.robin-data.io/en/#/schema/person/image/>
<http://schema.org/url>
<https://secure.gravatar.com/avatar/872a0186f48e17f873aa22e500813eb8?s=96&d=mm&r=g>
<https://www.robin-data.io/datenschutz-akademie/wiki/qualitaetsmanagement-definition>