Schema.org can be a tree-like knowledge design, meaning that its phrases even have relationships involving themselves as a result of hierarchy. This is known as course hierarchy [nine]. All valid schema markups in Google schema screening instruments and research console. Lifetime assistance and updates inside the modules.Social Media Hyperlinks Assistance. https://addons.prestashop.com/pl/seo-pozycjonowanie-naturalne/31857-automatyczne-google-rich-snippets-json-ld-opengraph-seo.html