You specify the principal URL as the search engine can have problem figuring out which a single really should be the primary URL.  The next tutorial will demonstrate how you can empower Canonical URLs in Prestashop one.five. Canonical URLs are applied to stay away from copy information and show https://addons.prestashop.com/nl/seo-zoekmachineoptimalisatie-vermelding/31857-automatische-google-rich-snippets-json-ld-opengraph-seo.html