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