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 146,054 websites Mexican Spanish HREF LANG Customers. We know of 75,951 live websites using Mexican Spanish HREF LANG and an additional 70,103 sites that used Mexican Spanish HREF LANG historically and 38,389 websites in the United States.
Get a list of 146,054 websites using Mexican Spanish HREF LANG which includes location information, hosting data, contact details, 75,951 currently live websites and an additional 411,744 domains that redirect to sites in this list. 70,103 sites that used this technology previouslyand 38,389 websites in the United States currently using Mexican Spanish HREF LANG.
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