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 63,434 websites that are Basque HREF LANG Customers. We know of 31,896 live websites using Basque HREF LANG and an additional 31,538 sites that used Basque HREF LANG historically and 13,032 websites in the United States.
Get a list of 63,434 websites using Basque HREF LANG which includes location information, hosting data, contact details, 31,896 currently live websites and an additional 39,673 domains that redirect to sites in this list. 31,538 sites that used this technology previously and 13,032 websites in the United States currently using Basque HREF LANG.
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