<https://www.growthlatam.com/google-search-console-agrega-soporte-de-datos-estructurados-de-licencia-de-imagen/#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.growthlatam.com/google-search-console-agrega-soporte-de-datos-estructurados-de-licencia-de-imagen/>