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 30,959 websites that are Castle Customers. We know of 5,273 live websites using Castle and an additional 25,686 sites that used Castle historically and 1,353 websites in the United States.

Castle Location Market Share and Movement
Technology Won Lost
Google Analytics Google Analytics 682 883
comScore comScore 302 22
Quantcast Measurement Quantcast Measurement 224 24
Hotjar Hotjar 129 304
Facebook Tag API Facebook Tag API 128 0
Castle Competitors and Similar