Detect 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.
Detection looks at javascript globals, dom selectors across 2 fingerprint rules among the site's public responses.
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Websites using Castle
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Signal classes
PluginView evaluates public page signals in these classes when identifying Castle. Individual fingerprint rule bodies are proprietary and are not published.
- JavaScript globals
- DOM selectors
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Example public indicators for Castle
Illustrative indicators derived from public catalog metadata for Castle. A live scan may match additional proprietary rules beyond these examples.
- _castle
- link
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What a detection means
- Establishes
- One or more public signals on the scanned page matched a known Castle signature (2 rules) at the time of the scan.
- Does not establish
- A sitewide install of Castle, an active vendor contract, exclusive use, or that Castle is still in place today.
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How to check a site for Castle
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Castle signals.
- 2. PluginView reads only public responses (javascript globals, dom selectors) and scores them against the Castle signature set (2 rules).
- 3. Review the confidence score and text explanation for Castle on the results page.
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FAQ: detecting Castle
- Can PluginView detect Castle without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for Castle — typically javascript globals, dom selectors. It does not bypass authentication or paywalls.
- What category is Castle?
- Castle is classified under Analytics in the PluginView directory.
- How many fingerprint rules cover Castle?
- This reference currently tracks 2 fingerprint rules across javascript globals, dom selectors. Individual rule bodies are proprietary and are not published.
- What public signals suggest a site uses Castle?
- Illustrative public indicators for Castle include _castle; link. A live scan may match additional proprietary rules beyond these examples.
