Case in point: You may have an e-commerce Web-site with products web pages for different dimensions of a specific t-shirt. By default, PrestaShop's deep URLs (which is, unique webpages rather than online the area name) are uninformative to both buyers and search engines like yahoo: a URL for instance does https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-hreflang-tags-canonical-tags-on-all-pages.html