Case in point: You've an e-commerce Site with product or service web pages for different sizes of a particular t-shirt. You specify the key URL as the search engine could possibly have difficulty identifying which just one should be the primary URL. The following tutorial will provide you with https://www.presta-addons-modules.com/en/seo/prestashop-seo-automatic-hreflang-tags-canonical-tags-on-all-pages.html