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