Should you've marked up your site's material, exam your markup utilizing the Structured Details Testing Device, and check the common problems higher than, take into account that it requires a while for rich snippets to appear from the search. In case you are relaxed editing your HTML, use structured info https://addons.prestashop.com/nl/seo-zoekmachineoptimalisatie-vermelding/31857-automatische-google-rich-snippets-json-ld-opengraph-seo.html