Can PluginView detect Solr without logging in?

Yes. PluginView only reads publicly accessible responses when checking for Solr — typically public page signals. It does not bypass authentication or paywalls.

What category is Solr?

Solr is classified under Databases in the PluginView directory.

How many fingerprint rules cover Solr?

This reference currently tracks 0 fingerprint rules. Individual rule bodies are proprietary and are not published.

Detect Solr

Databases

Solr is an open-source search platform built on Apache Lucene, used for indexing and searching large-scale datasets.

Websites using Solr

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What a detection means

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

How to check a site for Solr

1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Solr signals.
2. PluginView reads only public responses and scores them against the Solr signature set (0 rules).
3. Review the confidence score and text explanation for Solr on the results page.

Commonly implies

A confirmed Solr match also implies these technologies are present.

Lucene

FAQ: detecting Solr

Can PluginView detect Solr without logging in?: Yes. PluginView only reads publicly accessible responses when checking for Solr — typically public page signals. It does not bypass authentication or paywalls.
What category is Solr?: Solr is classified under Databases in the PluginView directory.
How many fingerprint rules cover Solr?: This reference currently tracks 0 fingerprint rules. Individual rule bodies are proprietary and are not published.