Helpful URLs are for being established inside the configuration page of every product or service, category, or static information page. This development page is only beneficial for many automatic webpages, and more often than not you will not have to bother with these. 8 fields can be obtained by default, https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-hreflang-tags-canonical-tags-on-all-pages.html