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 180,029 websites that are Mexican Spanish HREF LANG Customers. We know of 89,964 live websites using Mexican Spanish HREF LANG and an additional 90,065 sites that used Mexican Spanish HREF LANG historically and 44,783 websites in the United States.
Get a list of 180,029 websites using Mexican Spanish HREF LANG which includes location information, hosting data, contact details, 89,964 currently live websites and an additional 482,486 domains that redirect to sites in this list. 90,065 sites that used this technology previouslyand 44,783 websites in the United States currently using Mexican Spanish HREF LANG.
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