Privacy Policy

Effective date: July 16, 2026

This Privacy Policy explains how cuijiawei.cn (the “Site”, “we”) collects, uses, and protects information when you visit this website. By using the Site you agree to the practices described below.

1. Who operates this Site

This is an independent technical blog operated by Jiawei Cui, a developer based in Shenzhen, China. For any privacy question or data request, contact jiawei@cuijiawei.cn.

2. Information we collect

We do not require registration and we do not ask you to submit personal information to read the Site. Like most websites, we automatically collect limited technical data through cookies and analytics:

IP address, browser type and language, operating system
Pages viewed, time spent, and referring URLs
Approximate location (country or city level) and device type

This Site uses Google AdSense, a third-party advertising service provided by Google LLC. Google and its advertising partners use cookies (including the DoubleClick DART cookie) to serve ads based on your prior visits to this Site and to other websites.

Google’s use of advertising cookies is governed by Google’s Advertising Privacy & Terms.
You can opt out of personalized advertising by visiting the Google Ads Settings or aboutads.info.

4. Analytics

We use Baidu Analytics (Baidu Inc.) to understand aggregate usage. Baidu sets cookies to distinguish visitors and measure traffic. You can learn more about Baidu’s data practices in Baidu’s Privacy Policy.

5. Your choices

Most browsers let you refuse or delete cookies. Disabling cookies may affect some Site features.
To opt out of Google personalized ads: Google Ads Settings.

If you are in the European Economic Area or the United Kingdom, the GDPR gives you rights to access, rectify, port, or erase your personal data, and to object to its processing. If you are in mainland China, the Personal Information Protection Law (PIPL) grants corresponding rights. To exercise any of these rights, email jiawei@cuijiawei.cn and we will respond within the period required by law.

7. Children

The Site is not directed to children under 13, and we do not knowingly collect their personal information.

8. Changes

We may update this Policy from time to time. Material changes are reflected by the “Effective date” shown above.

9. Contact

Questions about this Policy or your personal data? Email jiawei@cuijiawei.cn.