This webpage has alternate versions available in Spanish 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 3,238,106 websites that are Spanish HREF LANG Customers. We know of 1,224,750 live websites using Spanish HREF LANG and an additional 2,013,356 sites that used Spanish HREF LANG historically and 671,447 websites in the United States.
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