Markup might be very easily checked by means of schema markup testing tool. It requires some time for rich snippets to appear in search results, so that they may not be displayed straight away. Nevertheless, product and group rich snippets will show up only following Google indexes the material. Disclaimer: https://socials360.com/story9820967/detailed-notes-on-automatic-google-rich-snippets-json-ld-open-graph-seo