A tool that helps website owners understand how much traffic they receive from Twitter and the effectiveness of Twitter integrations on their sites. Includes Twitter Conversion Tracking.
https://dev.twitter.com/blog/introducing-twitter-web-analytics
Analytics and Tracking · Conversion Optimization
Get access to data on 956,035 websites that are Twitter Analytics Customers. We know of 98,113 live websites using Twitter Analytics and an additional 857,922 sites that used Twitter Analytics historically and 65,724 websites in the United States.
Get a list of 956,035 websites using Twitter Analytics which includes location information, hosting data, contact details, 98,113 currently live websites and an additional 631,169 domains that redirect to sites in this list. 857,922 sites that used this technology previously and 65,724 websites in the United States currently using Twitter Analytics.