This webpage has alternate versions available in Mexican 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 207,607 websites that are Mexican Spanish HREF LANG Customers. We know of 72,384 live websites using Mexican Spanish HREF LANG and an additional 135,223 sites that used Mexican Spanish HREF LANG historically and 36,493 websites in the United States.
Get a list of 207,607 websites using Mexican Spanish HREF LANG which includes location information, hosting data, contact details, 72,384 currently live websites and an additional 452,411 domains that redirect to sites in this list. 135,223 sites that used this technology previouslyand 36,493 websites in the United States currently using Mexican Spanish HREF LANG.
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