Detect Prepr
Prepr is a headless CMS with data-driven capabilities.
Detection looks at cookies, script sources, javascript globals, dom selectors, inline scripts across 5 fingerprint rules among the site's public responses.
01
Websites using Prepr
Loading website list…
02
Signal classes
PluginView evaluates public page signals in these classes when identifying Prepr. Individual fingerprint rule bodies are proprietary and are not published.
- Cookies
- Script sources
- JavaScript globals
- DOM selectors
- Inline scripts
03
Example public indicators for Prepr
Illustrative indicators derived from public catalog metadata for Prepr. A live scan may match additional proprietary rules beyond these examples.
- __prepr_uid
- .prepr.io/
- prepr
- img
- .files.prepr.io
04
What a detection means
- Establishes
- One or more public signals on the scanned page matched a known Prepr signature (5 rules) at the time of the scan.
- Does not establish
- A sitewide install of Prepr, an active vendor contract, exclusive use, or that Prepr is still in place today.
05
How to check a site for Prepr
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Prepr signals.
- 2. PluginView reads only public responses (cookies, script sources, javascript globals) and scores them against the Prepr signature set (5 rules).
- 3. Review the confidence score and text explanation for Prepr on the results page.
06
FAQ: detecting Prepr
- Can PluginView detect Prepr without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for Prepr — typically cookies, script sources, javascript globals, dom selectors. It does not bypass authentication or paywalls.
- What category is Prepr?
- Prepr is classified under CMS in the PluginView directory.
- How many fingerprint rules cover Prepr?
- This reference currently tracks 5 fingerprint rules across cookies, script sources, javascript globals, dom selectors, inline scripts. Individual rule bodies are proprietary and are not published.
- What public signals suggest a site uses Prepr?
- Illustrative public indicators for Prepr include __prepr_uid; .prepr.io/; prepr. A live scan may match additional proprietary rules beyond these examples.
