matchMedia polyfill for testing media queries in JS.
https://github.com/paulirish/matchMedia.js/
JavaScript Libraries and Functions · Compatibility
Get access to data on 6,639,094 websites that are matchMedia Customers. We know of 1,384,153 live websites using matchMedia and an additional 5,254,941 sites that used matchMedia historically and 575,743 websites in the United States.
Get a list of 6,639,094 websites using matchMedia which includes location information, hosting data, contact details, 1,384,153 currently live websites and an additional 2,270,218 domains that redirect to sites in this list. 5,254,941 sites that used this technology previouslyand 575,743 websites in the United States currently using matchMedia.
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