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 4,573,878 websites that are Twitter Tweet Button Customers. We know of 994,707 live websites using Twitter Tweet Button and an additional 3,579,171 sites that used Twitter Tweet Button historically and 460,116 websites in the United States.
Get a list of 4,573,878 websites using Twitter Tweet Button which includes location information, hosting data, contact details, 994,707 currently live websites and an additional 840,822 domains that redirect to sites in this list. 3,579,171 sites that used this technology previously and 460,116 websites in the United States currently using Twitter Tweet Button.
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