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 4,457,298 websites Twitter Tweet Button Customers. We know of 914,045 live websites using Twitter Tweet Button and an additional 3,543,253 sites that used Twitter Tweet Button historically and 408,779 websites in the United States.
Get a list of 4,457,298 websites using Twitter Tweet Button which includes location information, hosting data, contact details, 914,045 currently live websites and an additional 746,687 domains that redirect to sites in this list. 3,543,253 sites that used this technology previouslyand 408,779 websites in the United States currently using Twitter Tweet Button.
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