Last updated: October 5, 2026
This policy applies to "Zhudong's Sites" (https://www.zhudong.net) and all info sites under it (*.zhudong.net).
This website does not require registration and does not collect personal information directly from visitors. We analyze anonymized server access logs (pages visited, approximate region derived from IP address, device type) solely to understand overall usage and improve the site. Log data is never sold or shared with third parties for marketing purposes.
Language preferences, theme settings and similar options are stored only in your browser's local storage. They are never uploaded to our servers. Clearing your browser data will permanently delete these settings; we cannot restore them.
We use Google AdSense to display ads on the English version of our info pages. Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this website and other websites. Google’s use of advertising cookies enables it and its partners to serve ads to you based on your visit to this site and/or other sites on the Internet.
You may opt out of personalized advertising by visiting Google Ads Settings. Alternatively, you can opt out of a third-party vendor’s use of cookies for personalized advertising by visiting www.aboutads.info/choices.
The Chinese version of our pages does not display ads.
We may update this Privacy Policy from time to time. The "Last updated" date at the top will reflect the most recent revision.