Due to peculiarities of Shopify functionality, it sets limitations for product variants. Thus, It's not authorized emigrate Every product with a lot more than 99 variants and 3 characteristics from PrestaShop to Shopify. I'll order this module shortly because it seems like the best Option for rich snippets, even if https://addons.prestashop.com/pl/seo-pozycjonowanie-naturalne/31857-automatyczne-google-rich-snippets-json-ld-opengraph-seo.html