While Gary Illyes, a Google analyst, thinks that search engines like yahoo may perhaps rely much less on hreflang plus more on automatic language detection in the future, for now, the tag is our best guess.  Mila is actually a material marketer, author, and Canine mom Doing the job in https://toplistar.com/story20625097/5-easy-facts-about-hreflang-to-non-canonical-described