Official Tweet Button for sharing articles on websites and counting how many times a URL has been shared.
https://twitter.com/about/resources/buttons#tweet
Widgets
Get access to data on 4,442,656 websites Twitter Tweet Button Customers. We know of 898,799 live websites using Twitter Tweet Button and an additional 3,543,857 sites that used Twitter Tweet Button historically and 396,954 websites in the United States.
Get a list of 4,442,656 websites using Twitter Tweet Button which includes location information, hosting data, contact details, 898,799 currently live websites and an additional 728,192 domains that redirect to sites in this list. 3,543,857 sites that used this technology previouslyand 396,954 websites in the United States currently using Twitter Tweet Button.
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