# Flask privacy rating

Lightweight WSGI web framework for Python, built on Werkzeug and Jinja, that leaves databases and other components to extensions.

## Summary

Flask scores 70 out of 100 (grade C) on the Python web frameworks criteria. It meets 2 of 4 criteria: open source and no trackers or telemetry. It partly meets no ads or data sales. It does not meet independent audit.

- Website: https://flask.palletsprojects.com
- Source code: https://github.com/pallets/flask
- License: BSD-3-Clause
- Platforms: Linux, macOS, Windows
- Home page trackers: none found
- Category: [Python web frameworks](https://privacyratings.com/python-frameworks/)
- Also rated: [Quart](https://privacyratings.com/python-frameworks/quart/) (Python web frameworks)
- Grade: C (70/100)

## Criteria

| Criterion | Answer | Note | Evidence |
| --- | --- | --- | --- |
| Open source | Yes | BSD-3-Clause licensed. | https://github.com/pallets/flask/blob/main/LICENSE.txt |
| No trackers or telemetry | Yes | No telemetry in the source code, and the website loads no third-party trackers. | https://github.com/pallets/flask |
| No ads or data sales | Partial | Funded by donations to Pallets, but the documentation hosted on Read the Docs shows EthicalAds. | https://flask.palletsprojects.com/en/stable/ |
| Independent audit | No | No independent audit is published. |  |

Source: https://privacyratings.com/python-frameworks/flask/
Edit: https://github.com/privacyratings/privacyratings.com/edit/main/ratings/python-frameworks/flask.md