You can use this extension for Rich Snippet, Rich Snippets extension automatically adds structural data to the HTML of your product pages and makes your website stands out in the search engine results pages, which increases click-through rate and decreases bounce rate. Schema markup tells search engines about the structure of your product page like breadcrumbs, product name, price, rating etc.
The following link Magento 2 Google Rich Snippets would be useful.
For installation please check our user guide, below is the link: -
https://docs.scommerce-mage.com/magento-2-extensions/seo-extensions/magento-2-google-rich-snippets
