Search by way of some search results in your area of interest and Examine what your competition are accomplishing. Together with the 12 snippet forms reviewed, not all schema types defined on schema.org are entirely supported by Google. Rich snippets or rich final results are results on search engine effects https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-hreflang-tags-canonical-tags-on-all-pages.html