You can see the totality of the information stored on the Homebrew website[1].
[1]: https://formulae.brew.sh/analytics/
> Our self-hosted InfluxDB instance does not store either anonymised IP addresses or an anonymised user token so it has additional privacy benefits over Google Analytics.
You can see the totality of the information stored on the Homebrew website[1].
[1]: https://formulae.brew.sh/analytics/