For example, a hook lets you include an image towards the header or Screen a product within the footer with the web site. Canonical URLs are applied to stop replicate content and to point to engines like google that is the “authentic” web site. It is just an indication from https://addons.prestashop.com/ru/seo-natural-search-engine-optimization/31857--rich-snippets-json-ld-opengraph-seo.html