Castle Usage Statistics

Deep visibility into what users are doing on your website.

http://castle.io

Analytics and Tracking · Audience Measurement

Castle Customers

Get access to data on 21,585 websites that are Castle Customers. We know of 3,357 live websites using Castle and an additional 18,228 sites that used Castle historically and 1,829 websites in the United States.

Castle Awards
Castle Location Market Share and Movement
Technology Won Lost
comScore comScore 302 37
Quantcast Measurement Quantcast Measurement 216 36
Google Analytics Google Analytics 208 754
Facebook Tag API Facebook Tag API 160 2
Mixpanel Mixpanel 141 29
Castle Competitors and Similar