Note that If the retail store has already been indexed by Google or every other online search engine, it would choose some time in your improvements to seem during the search engine results... You may have to be patient! Most of the time, we endorse not to touch these fields https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-hreflang-tags-canonical-tags-on-all-pages.html