Friendly URLs are for being set during the configuration web site of each item, category, or static articles web site. This generation web site is just helpful for a few automated webpages, and usually you will not have to worry about 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