Can PluginView detect Duel without logging in?

Yes. PluginView only reads publicly accessible responses when checking for Duel. It does not bypass authentication or paywalls.

What category is Duel?

Duel is classified under Affiliate programs in the PluginView directory.

Does PluginView publish Duel 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.

Detect Duel

Affiliate programs

Duel is a customer advocacy marketing platform.

Websites using Duel

No websites in the corpus for this technology yet.

What a detection means

Establishes: One or more public signals on the scanned page matched a known Duel signature at the time of the scan.
Does not establish: A sitewide install of Duel, an active vendor contract, exclusive use, or that Duel is still in place today.

How to check a site for Duel

1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Duel signals.
2. PluginView reads only public responses and scores them against proprietary Duel fingerprints. Rule bodies and identifiers are not published.
3. Review the confidence score and text explanation for Duel on the results page.

Commonly implies

A confirmed Duel match also implies these technologies are present.

Node.js Angular MongoDB

FAQ: detecting Duel

Can PluginView detect Duel without logging in?: Yes. PluginView only reads publicly accessible responses when checking for Duel. It does not bypass authentication or paywalls.
What category is Duel?: Duel is classified under Affiliate programs in the PluginView directory.
Does PluginView publish Duel 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.