Look through by means of some search results in your area of interest and take a look at what your competitors are performing. I checked your put up and I may help you to Fix the Prestashop Rich Snippet Module Let me know once you can be found to discuss https://www.presta-addons-modules.com/en/opencart-seo-automatic-google-rich-snippets-json-ld-integration-opengraph-twitter-tags-schemaorg.html