# Mastodon privacy rating

Open source, decentralized microblogging platform built on ActivityPub, run as a network of independent servers with chronological timelines.

## Summary

Mastodon scores 80 out of 100 (grade B) on the social networks criteria. It meets 3 of 4 criteria: open source, no trackers or telemetry and no ads or data sales. It does not meet independent audit.

- Website: https://joinmastodon.org
- Source code: https://github.com/mastodon/mastodon
- License: AGPL-3.0
- Home page trackers: Simple Analytics (cookieless analytics)
- Category: [Social networks](https://privacyratings.com/social-networks/)
- Grade: B (80/100)

## Criteria

| Criterion | Answer | Note | Evidence |
| --- | --- | --- | --- |
| Open source | Yes | AGPL-3.0. | https://github.com/mastodon/mastodon/blob/main/LICENSE |
| No trackers or telemetry | Yes | No third-party trackers, and the software has no telemetry. The joinmastodon.org website's Simple Analytics are cookieless and aggregate-only. | https://joinmastodon.org |
| No ads or data sales | Yes | Funded by donations and sponsors, with no ads. | https://joinmastodon.org/sponsors |
| Independent audit | No | No independent audit is published. |  |

Source: https://privacyratings.com/social-networks/mastodon/
Edit: https://github.com/privacyratings/privacyratings.com/edit/main/ratings/social-networks/mastodon.md