6 demo BO, even so I could not scroll down to bottom of the facet menu to accessibility the module. It is because by default the menu would not scroll, to help you't look at the backlinks in the direction of the bottom. There's a free module accessible to make https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-google-rich-snippets-json-ld-opengraph-twitter-tags-schemaorg.html