For instance, a hook means that you can increase a picture to your header or Screen a product inside the footer in the webpage. Canonical URLs are used in order to avoid copy content material and to point to engines like google which is the “unique” web site. It is https://addons.prestashop.com/it/seo-indicizzazione-naturale/31857-google-rich-snippet-automatico-json-ld-open-graph-seo.html