Make sure that your web site is obtainable to Google instead of blocked by a robots.txt file, the noindex tag, or login requirements. In the event the webpage appears to be like alright, it is possible to check with Google to recrawl your URLs. Observe: Let time for re-crawling and https://addons.prestashop.com/fr/seo-referencement-naturel/31857-seo-automatique-google-rich-snippets-json-ld-open-graph.html