Friendly URLs are for being set in the configuration webpage of each product or service, class, or static written content webpage. This development webpage is only useful for some automated internet pages, and more often than not you will not have to worry about these. By default, PrestaShop's deep URLs https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-hreflang-tags-canonical-tags-on-all-pages.html