Markup might be simply checked by way of schema markup tests Resource. It will require some time for rich snippets to seem in search results, in order that they will not be displayed promptly. Nonetheless, product and class rich snippets will appear only just after Google indexes the articles. Step https://addons.prestashop.com/de/seo-suchmaschinenranking-optimization/31857-automatische-google-rich-snippets-json-ld-opengraph-seo.html