You specify the primary URL as the internet search engine could possibly have issues identifying which just one ought to be the first URL.  The next tutorial will explain to you the way to allow Canonical URLs in Prestashop 1.five. The sitemap also permits you to modify any characteristics, https://addons.prestashop.com/es/seo-posicionamiento-buscadores/31857-google-rich-snippets-automatico-json-ld-opengraph-seo.html