<https://wplift.com/wordpress-plugins/plugin-directory/internal-link-juicer-auto-linker-for-wordpress#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://wplift.com/wordpress-plugins/plugin-directory/internal-link-juicer-auto-linker-for-wordpress>