With this tool, It's important to generate markups for each specific website page then duplicate and include the code to your website’s HTML. if you are making use of Microdata or RDFa, make confident your schema code is nested adequately and it has rational hierarchical construction that matches Schema.org specification. https://addons.prestashop.com/en/seo-natural-search-engine-optimization/31857-automatic-google-rich-snippets-json-ld-open-graph-seo.html