While Gary Illyes, a Google analyst, thinks that engines like google may depend a lot less on hreflang plus more on automatic language detection Sooner or later, for now, the tag is our best wager.  En muchas ocasiones, en las tiendas on the internet se generan URLs que expresan filtros https://ilovebookmarking.com/story18774486/not-known-facts-about-hreflang-not-using-canonical