Privacy Policy

The site may collect limited technical information that browsers normally send, such as page URL, referrer, device type, browser type, approximate location, language, and interaction events.

If you contact me by email or WeChat, the information you choose to send may be used to reply to you and manage that conversation.

This site uses Google Analytics to understand site traffic, popular pages, referral sources, country or city-level audience distribution, and general usage patterns.

Google Analytics may use cookies or similar technologies to measure visits and interactions. Analytics data is used to improve the site and is not used to identify individual visitors personally.

This site may use cookies, local storage, pixels, or similar technologies for analytics, security, site operation, and advertising.

If Google advertising products such as Google AdSense or Google Ad Manager are added in the future, third-party vendors, including Google, may use cookies to serve ads based on a user’s prior visits to this website or other websites.

Google’s use of advertising cookies enables Google and its partners to serve ads based on visits to this site and/or other sites on the Internet.

Other third-party ad vendors or ad networks may also use cookies or similar technologies to serve ads, measure ad performance, prevent fraud, and manage ad frequency.

You can control or delete cookies through your browser settings. Blocking cookies may affect some measurement or advertising features.

You can opt out of personalized advertising from Google by visiting Google Ads Settings.

You can also opt out of some third-party vendors’ use of cookies for personalized advertising through industry opt-out tools such as aboutads.info, where available.

The site may link to third-party websites, tools, social platforms, payment providers, analytics services, or advertising services. Their privacy practices are governed by their own policies.

This site is not responsible for the content or privacy practices of external websites.

Analytics data and communication records are kept only as long as reasonably useful for site operation, improvement, security, communication, or legal compliance.

Reasonable safeguards are used to protect information, but no website or Internet transmission can be guaranteed to be completely secure.

This site is intended for a general audience and is not directed to children under 13. If you believe a child has provided personal information, please contact me so that I can review and delete it when appropriate.

This privacy policy may be updated as the website changes or as analytics, advertising, consent, or legal requirements evolve. The updated date above shows when the policy was last changed.

For privacy questions or requests, please contact: zhengyong8797@gmail.com.