Markup can be easily checked by means of schema markup testing tool. It will take some time for rich snippets to seem in search engine results, in order that they is probably not shown right away. Nonetheless, product and classification rich snippets will seem only soon after Google indexes the https://addons.prestashop.com/ru/seo-natural-search-engine-optimization/31857--rich-snippets-json-ld-opengraph-seo.html