Privacy Policy
Last updated: March 2026
1. Who are we?
Rustlings Web is an open-source educational platform, developed by the community , whose objective is to facilitate learning the Rust programming language through interactive exercises and guided challenges. The source code is available on GitHub.
2. Data we collect
We do not collect personal data directly (name, email, password, etc.). However, if you accept the use of cookies, our analytics tool Microsoft Clarity may collect browsing behavior information, such as:
- Pages visited and time spent on them.
- Clicks, scrolling and cursor movements.
- Anonymous session recordings.
- Interaction heatmaps.
This data is pseudonymous and does not allow you to be directly identified.
3. Cookies we use
We only install analytics cookies if you give your explicit consent. The cookies used by Microsoft Clarity are:
| Cookie | Type | Purpose |
|---|---|---|
| _clck | Own | Uniquely identifies the user per site. |
| _clsk | Own | Groups page views in a single session. |
| CLID | Third party | Identifies the user's first visit to any site with Clarity. |
| MUID | Third party | Identifies unique browsers on Microsoft sites. |
| ANONCHK, MR, SM | Third party | Microsoft synchronization auxiliary cookies. |
If you reject cookies, none of these are installed in your browser and Microsoft Clarity does not collect data.
4. Purpose of processing
We use analytics data exclusively to understand how users interact with exercises and site content, with the goal of improving the learning experience. We do not use this data for advertising nor share it with third parties other than Microsoft as the analytics service provider.
5. Legal basis
Data processing through analytics cookies is based on your explicit consent (Art. 6.1.a of GDPR), which you can grant or revoke at any time.
6. Your rights
You have the right to:
- Withdraw consent Withdraw consent at any time by deleting cookies from your browser or clearing .
localStorage. - Access, rectification and deletion Access, rectification and deletion of your data (to the extent that they are identifiable).
- Object Object to data processing for analytical purposes.
7. Cookie management
You can manage or revoke your consent by deleting cookies from your browser or deleting the key from . When reloading the page, the cookie notice will appear again. cookiesAccepted localStorage localStorage. Al recargar la página, el aviso de cookies volverá a aparecer.
You can also configure your browser to reject cookies globally. Check your browser's help for more information.
8. Third parties
The only third party that processes data on this site is Microsoft Corporation through Microsoft Clarity. You can check their privacy policy at privacy.microsoft.com.
9. Contact
If you have questions about this policy, you can contact us through our Discord server or by opening an issue on GitHub.
