WebFont Loader gives you added control when using linked fonts via @font-face, from Typekit.
https://github.com/typekit/webfontloader
JavaScript Libraries and Functions
Get access to data on 7,404,210 websites that are WebFont Loader Customers. We know of 1,316,940 live websites using WebFont Loader and an additional 6,087,270 sites that used WebFont Loader historically and 574,800 websites in the United States.
Get a list of 7,404,210 websites using WebFont Loader which includes location information, hosting data, contact details, 1,316,940 currently live websites and an additional 1,361,726 domains that redirect to sites in this list. 6,087,270 sites that used this technology previouslyand 574,800 websites in the United States currently using WebFont Loader.
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