Although Gary Illyes, a Google analyst, believes that search engines like google might depend fewer on hreflang and more on automatic language detection Down the road, for now, the tag is our greatest guess.  Yandex: Russia’s most favored online search engine also supports hreflang tags. It works by using them https://pr1bookmarks.com/story18986300/the-best-side-of-automatyczne-tagi-hreflang-i-tagi-kanoniczne-seo