Castle Usage Statistics

Deep visibility into what users are doing on your website.

Analytics and Tracking · Audience Measurement

Castle Customers

Get access to data on 29,769 websites that are Castle Customers. We know of 5,936 live websites using Castle and an additional 23,833 sites that used Castle historically and 1,612 websites in the United States.

Castle Location Market Share and Movement
Technology Won Lost
Google Analytics Google Analytics 525 859
comScore comScore 342 25
Quantcast Measurement Quantcast Measurement 266 26
Facebook Tag API Facebook Tag API 146 1
Hotjar Hotjar 139 323
Castle Competitors and Similar