Despite the fact that Gary Illyes, a Google analyst, believes that search engines like google and yahoo may well count less on hreflang and more on automatic language detection Later on, for now, the tag is our best wager.  There are actually 3 ways to include hreflang tags to webpages https://socialinplace.com/story4172589/details-fiction-and-%D0%90%D0%B2%D1%82%D0%BE%D0%BC%D0%B0%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D0%B5-%D1%82%D0%B5%D0%B3%D0%B8-hreflang-%D0%B8-%D0%BA%D0%B0%D0%BD%D0%BE%D0%BD%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D0%B5-%D1%82%D0%B5%D0%B3%D0%B8-seo