A tool from Twitter that makes it possible for advertisers to track website conversions and manage tailored audience campaigns.
https://blog.twitter.com/2016/website-conversion-tracking-and-remarketing-made-easier-and-more-flexible
Analytics and Tracking
Get access to data on 639,475 websites Twitter Website Universal Tag Customers. We know of 148,216 live websites using Twitter Website Universal Tag and an additional 491,259 sites that used Twitter Website Universal Tag historically and 70,273 websites in the United States.
Get a list of 639,475 websites using Twitter Website Universal Tag which includes location information, hosting data, contact details, 148,216 currently live websites and an additional 834,013 domains that redirect to sites in this list. 491,259 sites that used this technology previouslyand 70,273 websites in the United States currently using Twitter Website Universal Tag.
Countries
Financial
Group
Region