Detect Altcha
Altcha is a spam and abuse protection solution for websites and apps, offering a privacy-friendly Captcha and other tools designed with GDPR compliance to provide strong security while safeguarding user privacy.
Detection looks at javascript globals, inline scripts across 2 fingerprint rules among the site's public responses.
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Websites using Altcha
Loading website list…
02
Signal classes
PluginView evaluates public page signals in these classes when identifying Altcha. Individual fingerprint rule bodies are proprietary and are not published.
- JavaScript globals
- Inline scripts
03
Example public indicators for Altcha
Illustrative indicators derived from public catalog metadata for Altcha. A live scan may match additional proprietary rules beyond these examples.
- ALTCHA_WIDGET_ATTRS
- altcha.orgjs
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What a detection means
- Establishes
- One or more public signals on the scanned page matched a known Altcha signature (2 rules) at the time of the scan.
- Does not establish
- A sitewide install of Altcha, an active vendor contract, exclusive use, or that Altcha is still in place today.
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How to check a site for Altcha
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Altcha signals.
- 2. PluginView reads only public responses (javascript globals, inline scripts) and scores them against the Altcha signature set (2 rules).
- 3. Review the confidence score and text explanation for Altcha on the results page.
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FAQ: detecting Altcha
- Can PluginView detect Altcha without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for Altcha — typically javascript globals, inline scripts. It does not bypass authentication or paywalls.
- What category is Altcha?
- Altcha is classified under Security in the PluginView directory.
- How many fingerprint rules cover Altcha?
- This reference currently tracks 2 fingerprint rules across javascript globals, inline scripts. Individual rule bodies are proprietary and are not published.
- What public signals suggest a site uses Altcha?
- Illustrative public indicators for Altcha include ALTCHA_WIDGET_ATTRS; altcha.orgjs. A live scan may match additional proprietary rules beyond these examples.
