Castle Usage Statistics

Websites using Castle

Download Lead List

Get a list of 17,417 websites using Castle which includes location information, hosting data, contact details, 1,693 currently live websites and 15,724 sites that used this technology previously.

Top 10k
Top 100k
Top 1m

Quantcast Top 10k
10 of 10,000


Quantcast Top 100k
33 of 100,000


BuiltWith Top Million
179 of 805,219


Entire Internet
1,693 of 374,457,754


Log in or Sign up for Free to see Castle history back another year to October 2015. View plans for historical access back to February 2016.

Deep visibility into what users are doing on your website.

Categories: Analytics and Tracking · Audience Measurement

Technology Won
New Relic 242
comScore 202

This table shows where Castle are gaining/losing customers from within the technologies in the same sub-categories of Audience Measurement. View the full report for more information regarding countries, states and where Castle's customers come from.

Physical locations of businesses using Castle.


Top 10,000 Sites
Top 100,000 Sites
Top 1 Million Sites

This chart shows the amount of websites within the top 10k, 100k, and 1 million sites groups that are categorized as being in the specific vertical.

Get access to data on 17,417 websites that have used Castle. We know of 1,693 live websites using Castle and an additional 15,724 sites that used Castle historically

View Website List

Get a list of websites using Castle

Pro Screenshot

Audience Measurement

Decibel Insight

656 websites


752 websites


132,975 websites

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Browse groups of technologies that we track.