Peter KraussPeter Krauss 13.9k2727 gold badges182182 silver badges329329 bronze badges two One more great illustration of popularity can be just opening some common sites with inspector and checking what structure they use. Search or look through Schema.org forms that go well with your articles and produce custom schema markup from https://addons.prestashop.com/ru/seo-natural-search-engine-optimization/31857--rich-snippets-json-ld-opengraph-seo.html