If the thing is a rise in invalid items, Most likely you rolled out a completely new template that doesn't work, or your site interacts with the prevailing template in a fresh and negative way. Google has mentioned that prime CTR is a crucial rating factor. So we can say https://addons.prestashop.com/nl/seo-zoekmachineoptimalisatie-vermelding/31857-automatische-google-rich-snippets-json-ld-opengraph-seo.html