Detect Cowboy
Cowboy is a small, fast, modular HTTP server written in Erlang.
01
Websites using Cowboy
3 hostnames in the PluginView corpus for this technology.
| Hostname | Last seen |
|---|---|
| asciinema.org | 8/3/2026 |
| dukechronicle.com | 8/5/2026 |
| dailyuw.com | 8/7/2026 |
02
What a detection means
- Establishes
- One or more public signals on the scanned page matched a known Cowboy signature at the time of the scan.
- Does not establish
- A sitewide install of Cowboy, an active vendor contract, exclusive use, or that Cowboy is still in place today.
03
How to check a site for Cowboy
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Cowboy signals.
- 2. PluginView reads only public responses and scores them against proprietary Cowboy fingerprints. Rule bodies and identifiers are not published.
- 3. Review the confidence score and text explanation for Cowboy on the results page.
04
Commonly implies
A confirmed Cowboy match also implies these technologies are present.
05
FAQ: detecting Cowboy
- Can PluginView detect Cowboy without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for Cowboy. It does not bypass authentication or paywalls.
- What category is Cowboy?
- Cowboy is classified under Web servers in the PluginView directory.
- Does PluginView publish Cowboy 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.
