The downside to using solutions one and a couple of is the fact that each will slow down your webpage load time. When you've got multiple translations and variants of your content and so are getting that it's generating a problem, the third option may be very best. An online https://addons.prestashop.com/es/seo-posicionamiento-buscadores/30904-etiquetas-automaticas-hreflang-canonical-etiquetas-seo.html