Privacy Policy — AtCoder Analytics

Effective date: 2026-05-20

AtCoder Analytics is a Chrome extension that adds additional statistics to AtCoder user profile pages.

Data collection

AtCoder Analytics does not collect, sell, or share personal data.

Data processing and storage

The extension may fetch publicly available data from:

To improve performance and reduce repeated requests, the extension may store cached data locally in your browser (Chrome local extension storage). This cache stays on your device and is not transmitted to any server controlled by the developer.

Third-party services

The extension does not use analytics SDKs, advertising SDKs, or third-party tracking services.

Contact

If you have questions about this privacy policy, contact: xneolxnoel@gmail.com