You specify the main URL because the online search engine could have problems deciding which a person must be the primary URL.  The next tutorial will provide you with the way to permit Canonical URLs in Prestashop one.five. The default homepage title may be the title of the store, https://addons.prestashop.com/fr/seo-referencement-naturel/31857-seo-automatique-google-rich-snippets-json-ld-open-graph.html