Should you've marked up your site's articles, check your markup using the Structured Information Tests Software, and check the common challenges earlier mentioned, take into account that it takes some time for rich snippets to seem during the lookup. For anyone who is cozy editing your HTML, use structured facts https://www.presta-addons-modules.com/en/opencart-seo-automatic-google-rich-snippets-json-ld-integration-opengraph-twitter-tags-schemaorg.html