Although Gary Illyes, a Google analyst, thinks that search engines like yahoo may perhaps count considerably less on hreflang plus more on automatic language detection Later on, for now, the tag is our best wager.  Yandex: Russia’s most widely used search engine also supports hreflang tags. It uses them for https://addons.prestashop.com/de/seo-suchmaschinenranking-optimization/31857-automatische-google-rich-snippets-json-ld-opengraph-seo.html