<https://help.idevaffiliate.com/idevaffiliate-upgrade-instructions/idevaffiliate_upgrade/#primaryimage>
<http://schema.org/height>
"310"^^<http://www.w3.org/2001/XMLSchema#integer>
<https://help.idevaffiliate.com/idevaffiliate-upgrade-instructions/idevaffiliate_upgrade/>