You specify the key URL as the search engine might have issue analyzing which a single should be the key URL.  The subsequent tutorial will demonstrate how to permit Canonical URLs in Prestashop one.5. Improve the indexing of one's Prestashop urls in Google. This module AUTOMATICALLY adds, without the https://addons.prestashop.com/es/seo-posicionamiento-buscadores/31857-google-rich-snippets-automatico-json-ld-opengraph-seo.html