> Koa is an open source Node.js web framework from the Express team: what it does behind a website and what to know about cookies and GDPR consent. > > Canonical: https://www.flowconsent.com/en/services/hosting/koa Hosting # Koa Unclassified · [Official website](https://koajs.com) Koa is an open source web framework for Node.js created by the team behind Express. It offers a small core based on async functions and middleware, leaving routing, sessions and other features to separate modules. It runs on the server, so any cookies depend on how the application is written, for example its session middleware. [Block Koa until consent](https://app.flowconsent.com/auth/sign-up?utm_source=flowconsent.com\&utm_medium=referral\&utm_campaign=hosting) · [Scan my site](https://www.flowconsent.com/en/scan) At a glance - Category [Hosting](https://www.flowconsent.com/en/services/hosting) - Consent Unclassified - Prior consent Required - Documented cookies 0 Compliance ## Koa and the GDPR Koa 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 Koa sets and contacts The cookies of Koa are not documented in the catalog yet. To see what is actually set on your site, run a free scan. 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