Detect Facebook Login
Facebook Login is a way for people to create accounts and log into your app across multiple platforms.
Detection looks at javascript globals across 1 fingerprint rules among the site's public responses.
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Websites using Facebook Login
Loading website list…
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Signal classes
PluginView evaluates public page signals in these classes when identifying Facebook Login. Individual fingerprint rule bodies are proprietary and are not published.
- JavaScript globals
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Example public indicators for Facebook Login
Illustrative indicators derived from public catalog metadata for Facebook Login. A live scan may match additional proprietary rules beyond these examples.
- FB.getLoginStatus
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What a detection means
- Establishes
- One or more public signals on the scanned page matched a known Facebook Login signature (1 rules) at the time of the scan.
- Does not establish
- A sitewide install of Facebook Login, an active vendor contract, exclusive use, or that Facebook Login is still in place today.
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How to check a site for Facebook Login
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Facebook Login signals.
- 2. PluginView reads only public responses (javascript globals) and scores them against the Facebook Login signature set (1 rules).
- 3. Review the confidence score and text explanation for Facebook Login on the results page.
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FAQ: detecting Facebook Login
- Can PluginView detect Facebook Login without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for Facebook Login — typically javascript globals. It does not bypass authentication or paywalls.
- What category is Facebook Login?
- Facebook Login is classified under Authentication in the PluginView directory.
- How many fingerprint rules cover Facebook Login?
- This reference currently tracks 1 fingerprint rule across javascript globals. Individual rule bodies are proprietary and are not published.
- What public signals suggest a site uses Facebook Login?
- Illustrative public indicators for Facebook Login include FB.getLoginStatus. A live scan may match additional proprietary rules beyond these examples.
