Twitter Cards can be a schema markup dependent utilized by Twitter to optimize Tweets and boost user encounter. It's got its Specific markup and guidelines, however it is thoroughly appropriate with Open Graph tags, and might be markupd up with Open Graph tags. and Yandex. Though not an ordinary, it https://addons.prestashop.com/nl/seo-zoekmachineoptimalisatie-vermelding/31857-automatische-google-rich-snippets-json-ld-opengraph-seo.html