Detect Plesk
Plesk is a web hosting and server data centre automation software with a control panel developed for Linux and Windows-based retail hosting service providers.
Detection looks at response headers, script sources, javascript globals across 4 fingerprint rules among the site's public responses.
01
Websites using Plesk
Loading website list…
02
Signal classes
PluginView evaluates public page signals in these classes when identifying Plesk. Individual fingerprint rule bodies are proprietary and are not published.
- Response headers
- Script sources
- JavaScript globals
03
Example public indicators for Plesk
Illustrative indicators derived from public catalog metadata for Plesk. A live scan may match additional proprietary rules beyond these examples.
- x-powered-by: PleskLWin
- x-powered-by-plesk: Plesk
- common.js?plesk
- Plesk.Form
04
What a detection means
- Establishes
- One or more public signals on the scanned page matched a known Plesk signature (4 rules) at the time of the scan.
- Does not establish
- A sitewide install of Plesk, an active vendor contract, exclusive use, or that Plesk is still in place today.
05
How to check a site for Plesk
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Plesk signals.
- 2. PluginView reads only public responses (response headers, script sources, javascript globals) and scores them against the Plesk signature set (4 rules).
- 3. Review the confidence score and text explanation for Plesk on the results page.
06
FAQ: detecting Plesk
- Can PluginView detect Plesk without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for Plesk — typically response headers, script sources, javascript globals. It does not bypass authentication or paywalls.
- What category is Plesk?
- Plesk is classified under Hosting panels in the PluginView directory.
- How many fingerprint rules cover Plesk?
- This reference currently tracks 4 fingerprint rules across response headers, script sources, javascript globals. Individual rule bodies are proprietary and are not published.
- What public signals suggest a site uses Plesk?
- Illustrative public indicators for Plesk include x-powered-by: PleskLWin; x-powered-by-plesk: Plesk; common.js?plesk. A live scan may match additional proprietary rules beyond these examples.