Markup might be easily checked by using schema markup testing Software. It requires some time for rich snippets to appear in search engine results, so they may not be displayed quickly. Even so, product and category rich snippets will show up only following Google indexes the articles. An SEO schema https://addons.prestashop.com/en/seo-natural-search-engine-optimization/31857-automatic-google-rich-snippets-json-ld-open-graph-seo.html