This webpage has alternate versions available in Basque 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 59,089 websites Basque HREF LANG Customers. We know of 27,561 live websites using Basque HREF LANG and an additional 31,528 sites that used Basque HREF LANG historically and 11,408 websites in the United States.
Get a list of 59,089 websites using Basque HREF LANG which includes location information, hosting data, contact details, 27,561 currently live websites and an additional 36,614 domains that redirect to sites in this list. 31,528 sites that used this technology previouslyand 11,408 websites in the United States currently using Basque HREF LANG.
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