This forces prospects to go to the product's site and pick a combination, instead of only including the default a single for the cart. Note that products and solutions without combination will nevertheless have an "Incorporate to cart" button within the category web site. Right implementation: Assure hreflang tags are https://addons.prestashop.com/es/seo-posicionamiento-buscadores/30904-etiquetas-automaticas-hreflang-canonical-etiquetas-seo.html