PluginView detects PencilBlue, a CMS and Blogs, by evaluating response headers on publicly reachable pages. Illustrative public indicators associated with PencilBlue include x-powered-by: PencilBlue. Full fingerprint rules remain proprietary; this page summarizes the signal classes and example indicators used for identification.
Detection looks at response headers across 1 fingerprint rules among the site's public responses.
Websites using PencilBlue
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Signal classes
PluginView evaluates public page signals in these classes when identifying PencilBlue. Individual fingerprint rule bodies are proprietary and are not published.
- Response headers
Example public indicators for PencilBlue
Illustrative indicators derived from public catalog metadata for PencilBlue. A live scan may match additional proprietary rules beyond these examples.
- x-powered-by: PencilBlue
What a detection means
- Establishes
- One or more public signals on the scanned page matched a known PencilBlue signature (1 rules) at the time of the scan.
- Does not establish
- A sitewide install of PencilBlue, an active vendor contract, exclusive use, or that PencilBlue is still in place today.
How to check a site for PencilBlue
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest PencilBlue signals.
- 2. PluginView reads only public responses (response headers) and scores them against the PencilBlue signature set (1 rules).
- 3. Review the confidence score and text explanation for PencilBlue on the results page.
Commonly implies
A confirmed PencilBlue match also implies these technologies are present.
FAQ: detecting PencilBlue
- Can PluginView detect PencilBlue without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for PencilBlue — typically response headers. It does not bypass authentication or paywalls.
- What category is PencilBlue?
- PencilBlue is classified under CMS, Blogs in the PluginView directory.
- How many fingerprint rules cover PencilBlue?
- This reference currently tracks 1 fingerprint rule across response headers. Individual rule bodies are proprietary and are not published.
- What public signals suggest a site uses PencilBlue?
- Illustrative public indicators for PencilBlue include x-powered-by: PencilBlue. A live scan may match additional proprietary rules beyond these examples.
