Only canonical URLs should be detailed as part of your sitemap, Even though Google says that doing this is often a weak canonicalization sign. Canonical URLs are employed to prevent copy written content and show to serps which webpage will be the "primary" website page. This is often just an https://addons.prestashop.com/fr/seo-referencement-naturel/31857-seo-automatique-google-rich-snippets-json-ld-open-graph.html