Six demo BO, however I couldn't scroll down to bottom of the facet menu to accessibility the module. It is because by default the menu doesn't scroll, so you can't watch the backlinks to The underside. There's a free module accessible to make the menu scrollable so you can arrive at https://addons.prestashop.com/de/seo-suchmaschinenranking-optimization/31857-automatische-google-rich-snippets-json-ld-opengraph-seo.html