Markup can be very easily checked by means of schema markup tests Instrument. It requires a while for rich snippets to look in search engine results, in order that they may not be displayed immediately. On the other hand, product and group rich snippets will look only right after Google https://socialbuzztoday.com/story4799795/detailed-notes-on-automatic-google-rich-snippets-json-ld-open-graph-seo