C is a general-purpose, procedural computer programming language supporting structured programming, lexical variable scope, and recursion, with a static type system.

Detection looks at response headers across 1 fingerprint rules among the site's public responses.

01

Websites using C

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02

Signal classes

PluginView evaluates public page signals in these classes when identifying C. Individual fingerprint rule bodies are proprietary and are not published.

  • Response headers
03

Example public indicators for C

Illustrative indicators derived from public catalog metadata for C. A live scan may match additional proprietary rules beyond these examples.

  • x-powered-by: C
04

What a detection means

Establishes
One or more public signals on the scanned page matched a known C signature (1 rules) at the time of the scan.
Does not establish
A sitewide install of C, an active vendor contract, exclusive use, or that C is still in place today.
05

How to check a site for C

  1. 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest C signals.
  2. 2. PluginView reads only public responses (response headers) and scores them against the C signature set (1 rules).
  3. 3. Review the confidence score and text explanation for C on the results page.
06

FAQ: detecting C

Can PluginView detect C without logging in?
Yes. PluginView only reads publicly accessible responses when checking for C — typically response headers. It does not bypass authentication or paywalls.
What category is C?
C is classified under Programming languages in the PluginView directory.
How many fingerprint rules cover C?
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 C?
Illustrative public indicators for C include x-powered-by: C. A live scan may match additional proprietary rules beyond these examples.

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