This webpage has alternate versions available in Serbian via the use of the hreflang tag.
https://support.google.com/webmasters/answer/189077?hl=en
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Get access to data on 129,931 websites that are Serbian HREF LANG Customers. We know of 71,639 live websites using Serbian HREF LANG and an additional 58,292 sites that used Serbian HREF LANG historically and 30,591 websites in the United States.
Get a list of 129,931 websites using Serbian HREF LANG which includes location information, hosting data, contact details, 71,639 currently live websites and an additional 204,883 domains that redirect to sites in this list. 58,292 sites that used this technology previously and 30,591 websites in the United States currently using Serbian HREF LANG.
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