Ensure that your site is accessible to Google and never blocked by a robots.txt file, the noindex tag, or login demands. Should the site appears to be ok, it is possible to talk to Google to recrawl your URLs. Note: Make it possible for time for re-crawling and re-indexing. Take https://addons.prestashop.com/it/seo-indicizzazione-naturale/31857-google-rich-snippet-automatico-json-ld-open-graph-seo.html