Detect Amber
Amber is a web application framework written in Crystal inspired by Kemal, Rails, Phoenix and other popular application frameworks.
Detection looks at response headers across 1 fingerprint rules among the site's public responses.
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Websites using Amber
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Signal classes
PluginView evaluates public page signals in these classes when identifying Amber. Individual fingerprint rule bodies are proprietary and are not published.
- Response headers
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Example public indicators for Amber
Illustrative indicators derived from public catalog metadata for Amber. A live scan may match additional proprietary rules beyond these examples.
- x-powered-by: Amber
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What a detection means
- Establishes
- One or more public signals on the scanned page matched a known Amber signature (1 rules) at the time of the scan.
- Does not establish
- A sitewide install of Amber, an active vendor contract, exclusive use, or that Amber is still in place today.
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How to check a site for Amber
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Amber signals.
- 2. PluginView reads only public responses (response headers) and scores them against the Amber signature set (1 rules).
- 3. Review the confidence score and text explanation for Amber on the results page.
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FAQ: detecting Amber
- Can PluginView detect Amber without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for Amber — typically response headers. It does not bypass authentication or paywalls.
- What category is Amber?
- Amber is classified under Web frameworks, Web servers in the PluginView directory.
- How many fingerprint rules cover Amber?
- 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 Amber?
- Illustrative public indicators for Amber include x-powered-by: Amber. A live scan may match additional proprietary rules beyond these examples.