You specify the principal URL as the search engine could possibly have difficulty analyzing which 1 need to be the main URL.  The next tutorial will tell you about the way to empower Canonical URLs in Prestashop one.five. Increase the indexing within your Prestashop urls in Google. This module https://addons.prestashop.com/es/seo-posicionamiento-buscadores/31857-google-rich-snippets-automatico-json-ld-opengraph-seo.html