Can PluginView detect Yaws without logging in?

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

What category is Yaws?

Yaws is classified under Web servers in the PluginView directory.

Does PluginView publish Yaws 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 Yaws

Web servers

Yaws (Yet Another Web Server) is an open-source web server designed to deliver dynamic content efficiently. It was developed by Claes (klacke) Wikström and is written in Erlang, a functional programming language.

Websites using Yaws

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 Yaws signature at the time of the scan.
Does not establish: A sitewide install of Yaws, an active vendor contract, exclusive use, or that Yaws is still in place today.

How to check a site for Yaws

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

FAQ: detecting Yaws

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