Let’s check out some live examples showcasing a few of the different types of rich snippets You should utilize. The samples would be the JSON-LD versions (desired by Google) pulled immediately from Google’s Developer documentation. Take a look at Schema.org and find the specific type of microdata formats you’d like https://www.presta-addons-modules.com/en/front-office/prestashop-age-verification18-pop-up.html