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# Federated Learning of Cohorts (FLoC) **(FREE SELF)**

> [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/60933) in GitLab 13.12.

Federated Learning of Cohorts (FLoC) is a new feature of the Chrome browser.
It works by categorizing users into different cohorts, so that
advertisers can use this data to uniquely target and track users. For more
information, see the [FLoC repository](https://github.com/WICG/floc).

To avoid users being tracked and categorized in any GitLab instance, FLoC is
disabled by default by sending the following header:

```plaintext
Permissions-Policy: interest-cohort=()
```

To enable it:

1. On the top bar, select **Main menu > Admin**.
1. On the left sidebar, select **Settings > General**.
1. Expand **Federated Learning of Cohorts (FLoC)**.
1. Select the **Participate in FLoC** checkbox.
1. Select **Save changes**.

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