Detect Varnish

Caching

PluginView detects Varnish, a Caching, by evaluating publicly reachable page signals. Fingerprint rules remain proprietary and are not published.

01

Websites using Varnish

1,924 hostnames in the PluginView corpus for this technology.

HostnameLast seen
reddit.com8/6/2026
spotify.com8/6/2026
paypal.com8/6/2026
vimeo.com8/6/2026
etsy.com8/6/2026

Whole list · $115.44 (1,924 × $0.06)

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02

What a detection means

Establishes
One or more public signals on the scanned page matched a known Varnish signature at the time of the scan.
Does not establish
A sitewide install of Varnish, an active vendor contract, exclusive use, or that Varnish is still in place today.
03

How to check a site for Varnish

  1. 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Varnish signals.
  2. 2. PluginView reads only public responses and scores them against proprietary Varnish fingerprints. Rule bodies and identifiers are not published.
  3. 3. Review the confidence score and text explanation for Varnish on the results page.
04

FAQ: detecting Varnish

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

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