You specify the key URL because the internet search engine may have issues determining which 1 really should be the primary URL.  The next tutorial will tell you about the best way to permit Canonical URLs in Prestashop one.five. Canonical URLs are utilized to stop duplicate information and to https://addons.prestashop.com/es/seo-posicionamiento-buscadores/31857-google-rich-snippets-automatico-json-ld-opengraph-seo.html