Note that if your shop has currently been indexed by Google or almost every other online search engine, it would choose some time for your personal modifications to appear within the search results... You may have to be patient! By default, PrestaShop's deep URLs (that is certainly, unique internet pages https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-hreflang-tags-canonical-tags-on-all-pages.html