Castle is a tool that offers deep visibility into user activities on your website, allowing you to monitor and understand user behaviour in real-time.

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Companies

10

Top Country

US

Top Industry

Communication Hardware

Adoption Insights

Castle is used by 10 companies in our database, representing approximately 0.00% of all tracked websites. The most common industry using Castle is Communication Hardware, and adoption is strongest in US.

Top Countries Using Castle

US4 companies
AU2 companies
BU1 companies
CA1 companies
FI1 companies
GB1 companies

Top Industries Using Castle

Communication Hardware1 companies
Computer1 companies
Database1 companies
Developer APIs1 companies
Education1 companies
FinTech1 companies
Financial Services1 companies
Information Technology1 companies
Internet1 companies
SaaS1 companies

How We Detect Castle

The Web Radar detects Castle by analyzing HTTP headers, JavaScript variables, HTML source code, cookies, and DNS records across 3M+ websites. Our detection engine uses over 10,000+ pattern rules to ensure accurate identification. Browse all technologies →

Frequently Asked Questions

What is Castle?+

Castle is a tool that offers deep visibility into user activities on your website, allowing you to monitor and understand user behaviour in real-time.

How many companies use Castle?+

10 companies in our database use Castle, representing approximately 0.00% of all tracked websites.

What industries use Castle the most?+

The top industries using Castle are Communication Hardware, Computer, Database.

What countries use Castle the most?+

The top countries using Castle are US, AU, BU.

Is Castle popular?+

Castle is used by 10 companies, making it a notable Analytics technology based on adoption across our tracked websites.

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Data last updated: June 2026