Hreflang="en-us": the ISO code for the language utilised to the web site, accompanied by the ISO code for your state at which that webpage is aimed (the region/area code is just not constantly expected) Possibly a person have made it with GTM ? It can be realy pleasant Software, nevertheless https://bookmarksknot.com/story20504275/5-simple-techniques-for-%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