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