> Mongrel and Mongrel2 are open source web servers: why they are detected on some websites and why on their own they do not track visitors or need consent.
>
> Canonical: https://www.flowconsent.com/en/services/hosting/mongrel

Hosting

# Mongrel

Unclassified · [Official website](https://mongrel2.org)

Mongrel is a family of open source web servers created by Zed Shaw: the original Mongrel served Ruby applications, and its successor Mongrel2 is a language-agnostic server built on ZeroMQ. It is detected through the server signature of websites running on it. It works on the server side and does not by itself set tracking cookies.

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At a glance

- Category

  [Hosting](https://www.flowconsent.com/en/services/hosting)

- Consent

  Unclassified

- Prior consent

  Required

- Documented cookies

  0

Compliance

## Mongrel and the GDPR

Mongrel is classified as “Unclassified”. On a site that targets European visitors, it must only load after the visitor consents, and it must be listed in your cookie policy.

Cookies and trackers

## What Mongrel sets and contacts

The cookies of Mongrel are not documented in the catalog yet. To see what is actually set on your site, run a free scan.

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