Detect CanJS
CanJS is an MIT-licensed client-side JavaScript framework used for building maintainable and performant web applications.
Detection looks at script sources, javascript globals across 2 fingerprint rules among the site's public responses.
01
Websites using CanJS
Loading website list…
02
Signal classes
PluginView evaluates public page signals in these classes when identifying CanJS. Individual fingerprint rule bodies are proprietary and are not published.
- Script sources
- JavaScript globals
03
Example public indicators for CanJS
Illustrative indicators derived from public catalog metadata for CanJS. A live scan may match additional proprietary rules beyond these examples.
- canjs/can.custom.min.js
- can.Animation
04
What a detection means
- Establishes
- One or more public signals on the scanned page matched a known CanJS signature (2 rules) at the time of the scan.
- Does not establish
- A sitewide install of CanJS, an active vendor contract, exclusive use, or that CanJS is still in place today.
05
How to check a site for CanJS
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest CanJS signals.
- 2. PluginView reads only public responses (script sources, javascript globals) and scores them against the CanJS signature set (2 rules).
- 3. Review the confidence score and text explanation for CanJS on the results page.
06
FAQ: detecting CanJS
- Can PluginView detect CanJS without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for CanJS — typically script sources, javascript globals. It does not bypass authentication or paywalls.
- What category is CanJS?
- CanJS is classified under JavaScript frameworks in the PluginView directory.
- How many fingerprint rules cover CanJS?
- This reference currently tracks 2 fingerprint rules across script sources, javascript globals. Individual rule bodies are proprietary and are not published.
- What public signals suggest a site uses CanJS?
- Illustrative public indicators for CanJS include canjs/can.custom.min.js; can.Animation. A live scan may match additional proprietary rules beyond these examples.
