This strategy is very important because it establishes very clear interactions between a variety of language versions of exactly the same articles. It allows serps to correctly comprehend the international composition of your website and existing quite possibly the most suitable Model to end users based on their own language https://addons.prestashop.com/it/seo-indicizzazione-naturale/30904-tag-hreflang-automatici-e-tag-canonici-seo.html