Detect ClientJS
ClientJS is a JavaScript library for generating browser fingerprints, exposing all the browser data-points.
01
Websites using ClientJS
1 hostnames in the PluginView corpus for this technology.
| Hostname | Last seen |
|---|---|
| sohu.com | 8/3/2026 |
02
What a detection means
- Establishes
- One or more public signals on the scanned page matched a known ClientJS signature at the time of the scan.
- Does not establish
- A sitewide install of ClientJS, an active vendor contract, exclusive use, or that ClientJS is still in place today.
03
How to check a site for ClientJS
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest ClientJS signals.
- 2. PluginView reads only public responses and scores them against proprietary ClientJS fingerprints. Rule bodies and identifiers are not published.
- 3. Review the confidence score and text explanation for ClientJS on the results page.
04
FAQ: detecting ClientJS
- Can PluginView detect ClientJS without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for ClientJS. It does not bypass authentication or paywalls.
- What category is ClientJS?
- ClientJS is classified under JavaScript libraries, Browser fingerprinting in the PluginView directory.
- Does PluginView publish ClientJS fingerprint rules?
- No. Detection uses proprietary fingerprint rules that are not published. Scan results explain matches in plain language without disclosing rule bodies or identifiers.
