Google Search snippets are based on These said in Google Search guidelines , but you can incorporate extra Attributes to any schema variety, or remove them, as mentioned within the documentation. I tend not to Assume This is certainly a problem with markup Except there is one thing instrinsically Mistaken https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-google-rich-snippets-json-ld-opengraph-twitter-tags-schemaorg.html