Search engine optimisation means "Search engine optimisation". It represents a set of procedures and best practices aimed at improving the visibility of a web site on search engines like google and yahoo. By default, PrestaShop's deep URLs (that may be, unique web pages as opposed to on the internet the https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-hreflang-tags-canonical-tags-on-all-pages.html