ListItem is made up of aspects about somebody merchandise from the listing. The total definition of ListItem is available at schema.org/ListItem. The Google-supported Attributes are the following: The extension supports the Hreflang attribute which tells Google which language you might be utilizing on a particular web site. Posted Oct 27, https://addons.prestashop.com/pl/seo-pozycjonowanie-naturalne/31857-automatyczne-google-rich-snippets-json-ld-opengraph-seo.html