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 749,776 websites that are Twitter Website Universal Tag Customers. We know of 182,070 live websites using Twitter Website Universal Tag and an additional 567,706 sites that used Twitter Website Universal Tag historically and 97,331 websites in the United States.
Get a list of 749,776 websites using Twitter Website Universal Tag which includes location information, hosting data, contact details, 182,070 currently live websites and an additional 706,536 domains that redirect to sites in this list. 567,706 sites that used this technology previouslyand 97,331 websites in the United States currently using Twitter Website Universal Tag.
Countries
Financial
Group
Region