matchMedia polyfill for testing media queries in JS.
https://github.com/paulirish/matchMedia.js/
JavaScript Libraries and Functions · Compatibility
Get access to data on 6,583,522 websites that are matchMedia Customers. We know of 1,310,178 live websites using matchMedia and an additional 5,273,344 sites that used matchMedia historically and 552,180 websites in the United States.
Get a list of 6,583,522 websites using matchMedia which includes location information, hosting data, contact details, 1,310,178 currently live websites and an additional 2,152,377 domains that redirect to sites in this list. 5,273,344 sites that used this technology previouslyand 552,180 websites in the United States currently using matchMedia.
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