Because of this you've unparsable structured details concern, and parsers are unable to browse schema markup, so make confident your schema markup syntax is proper, here are some measures to check when troubleshooting: Tests rich snippets is crucial in guaranteeing the profitable implementation of structured facts onto your website. By https://addons.prestashop.com/pl/seo-pozycjonowanie-naturalne/31857-automatyczne-google-rich-snippets-json-ld-opengraph-seo.html