Helpful URLs are for being established within the configuration page of every product, class, or static content website page. This generation webpage is just helpful for some automatic pages, and most of the time you will not have to bother with these. By default, PrestaShop's deep URLs (that may be, https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-hreflang-tags-canonical-tags-on-all-pages.html