Detect ef.js
PluginView detects ef.js, a JavaScript frameworks, by evaluating script sources, javascript globals on publicly reachable pages. Illustrative public indicators associated with ef.js include ef-core?.min.dev?.js, ef.version: ., efCore. 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 ef.js
Loading website list…
Signal classes
PluginView evaluates public page signals in these classes when identifying ef.js. Individual fingerprint rule bodies are proprietary and are not published.
- Script sources
- JavaScript globals
Example public indicators for ef.js
Illustrative indicators derived from public catalog metadata for ef.js. A live scan may match additional proprietary rules beyond these examples.
- ef-core?.min.dev?.js
- ef.version: .
- efCore
What a detection means
- Establishes
- One or more public signals on the scanned page matched a known ef.js signature (3 rules) at the time of the scan.
- Does not establish
- A sitewide install of ef.js, an active vendor contract, exclusive use, or that ef.js is still in place today.
How to check a site for ef.js
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest ef.js signals.
- 2. PluginView reads only public responses (script sources, javascript globals) and scores them against the ef.js signature set (3 rules).
- 3. Review the confidence score and text explanation for ef.js on the results page.
FAQ: detecting ef.js
- Can PluginView detect ef.js without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for ef.js — typically script sources, javascript globals. It does not bypass authentication or paywalls.
- What category is ef.js?
- ef.js is classified under JavaScript frameworks in the PluginView directory.
- How many fingerprint rules cover ef.js?
- 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 ef.js?
- Illustrative public indicators for ef.js include ef-core?.min.dev?.js; ef.version: .; efCore. A live scan may match additional proprietary rules beyond these examples.
