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