Classic Google Analytics - sites that are using non-universal analytics code.
https://developers.google.com/analytics/devguides/collection/gajs/
Analytics and Tracking
Get access to data on 22,901,754 websites that are Google Analytics Classic Customers. We know of 2,640,267 live websites using Google Analytics Classic and an additional 20,261,487 sites that used Google Analytics Classic historically and 1,472,025 websites in the United States.
Get a list of 22,901,754 websites using Google Analytics Classic which includes location information, hosting data, contact details, 2,640,267 currently live websites and an additional 1,681,292 domains that redirect to sites in this list. 20,261,487 sites that used this technology previouslyand 1,472,025 websites in the United States currently using Google Analytics Classic.
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