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 4,616,923 websites that are Spanish HREF LANG Customers. We know of 2,300,016 live websites using Spanish HREF LANG and an additional 2,316,907 sites that used Spanish HREF LANG historically and 1,139,518 websites in the United States.
Get a list of 4,616,923 websites using Spanish HREF LANG which includes location information, hosting data, contact details, 2,300,016 currently live websites and an additional 1,781,254 domains that redirect to sites in this list. 2,316,907 sites that used this technology previously and 1,139,518 websites in the United States currently using Spanish HREF LANG.
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