Whilst Gary Illyes, a Google analyst, thinks that search engines like google may perhaps count fewer on hreflang and a lot more on automatic language detection in the future, for now, the tag is our greatest bet.  Rel=canonical need to only appear during the of the document. A canonical tag https://tetrabookmarks.com/story18802562/5-easy-facts-about-hreflang-to-non-canonical-described