Privacy Policy

Effective Date: March 26, 2026

Last Updated: July 17, 2026

Welcome to TechDiary, operated by Seren (hereinafter referred to as “we”, “us”, or “our”). We take your privacy seriously and are committed to protecting the personal information you share with us. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website bhkji.cn (the “Site”).

Please read this Privacy Policy carefully. By using the Site, you agree to the collection and use of information in accordance with this policy. If you do not agree with the terms of this Privacy Policy, please do not use the Site.

1.Information We Collect

We collect several different types of information for various purposes to provide and improve our service to you.

1.1 Information You Provide Voluntarily

When you interact with our Site, you may choose to provide us with certain personal information, including but not limited to:

Contact Information: Name, email address (e.g., when you leave a comment or contact us via email).

Communication Data: Any correspondence, feedback, or inquiries you send to us.

1.2 Information Collected Automatically

When you access and browse the Site, we may automatically collect certain technical information about your device and usage patterns, including:

Device and Browser Information: Browser type, operating system, device type, and screen resolution.

Usage Data: Pages visited, time and date of visit, time spent on pages, referring/exit pages, and other diagnostic data.

IP Address: Your Internet Protocol (IP) address is logged to help diagnose server problems, administer the Site, and analyze trends. We do not use your IP address to identify you personally.

2.How We Use Your Information

We use the collected information for various purposes, including:

To provide, maintain, and improve the Site and its content.

To understand and analyze how you use the Site, helping us enhance user experience and optimize our articles.

To respond to your comments, questions, and requests, and provide customer support.

To monitor the security and integrity of the Site, preventing fraud and abuse.

To send you technical notifications, updates, security alerts, and support messages (only in relation to your interaction with us).

To comply with applicable laws and regulations.

To display and measure advertising through Google AdSense and other advertising partners, as described in the “Google AdSense & Third-Party Advertising” section below.

3.Cookies and Similar Technologies

We use Cookies and similar tracking technologies to track activity on our Site and improve your browsing experience.

What are Cookies?

Cookies are small text files placed on your device by a website. They are widely used to make websites work more efficiently and to provide information to the site owners.

How We Use Cookies

We use cookies to:

Remember your preferences and settings for future visits.

Gather analytics data to understand how visitors interact with the Site (e.g., which articles are most popular).

Enhance the performance and usability of the Site.

You have the option to refuse or manage cookies through your browser settings. However, please note that disabling cookies may affect some functionality of the Site. Most browsers automatically accept cookies, but you can usually modify your browser setting to decline cookies if you prefer.

Third-Party Cookies & Google Analytics 4

We use Google Analytics 4 (GA4) as our official website traffic analysis tool. This service may place third-party analytical cookies on your device.

GA4 will collect anonymous visitor behavior data, device information, access paths, traffic sources and browsing records for website operation analysis and content optimization only. We have enabled IP anonymization to protect user privacy. The analytics data collected by GA4 is used solely for website operation analysis and content optimization, and will not be sold or shared with irrelevant third parties.

All statistical tracking scripts of GA4 will only be loaded and start collecting data after you agree to analytical cookies through our website cookie consent popup. You can withdraw your consent and turn off data collection at any time. These third-party services have their own independent privacy policies.

Google AdSense & Third-Party Advertising

This Site participates in Google AdSense, a third-party advertising service provided by Google LLC. Google AdSense uses cookies (including the DoubleClick DART cookie) and similar technologies to serve ads based on your prior visits to this Site and other sites on the Internet.

When you visit our Site, Google AdSense may place or read cookies on your device to display relevant advertisements. These advertising cookies enable Google and its partners to serve ads tailored to your interests and measure the performance of ad campaigns.

Specifically, the following may occur:

Ad Serving: Google AdSense uses cookies to select and display advertisements based on your visit to this Site and other sites.

Ad Personalization: Google may use information about your browsing behavior to show you personalized ads. You can opt out of personalized advertising by visiting Google Ads Settings.

Ad Measurement: Google and its partners may use cookies to measure the effectiveness of ad campaigns and report on ad performance.

Cookie Consent: Advertising cookies are categorized as marketing cookies under our cookie consent framework. These cookies will only be loaded and placed on your device after you have explicitly granted consent through our cookie consent popup. You can withdraw your consent at any time by managing your cookie preferences.

Third-Party Vendors: In addition to Google, we may work with other third-party advertising partners who may also use cookies to serve ads. Each third-party vendor has its own privacy policy governing how it uses data.

For more information about how Google uses data when you interact with Google AdSense, please review Google’s Privacy & Terms and the Google AdSense Help Center.

Your Choices Regarding Advertising Cookies

You have several options for managing advertising cookies:

Cookie Consent: Use our cookie consent popup to accept or reject marketing cookies. You can change your preferences at any time.

Browser Settings: Configure your browser to block or delete cookies. Most browsers provide options for managing cookies in their settings.

Google Ads Settings: Visit Google Ads Settings to opt out of personalized advertising from Google.

Opt-Out Browser Add-On: Install Google’s opt-out browser add-on to permanently disable the DoubleClick DART cookie.

4.Disclosure of Your Information

We value your trust and do not sell, rent, or trade your personal information to third parties for their marketing purposes.

We may disclose your personal information in the following limited circumstances:

With Service Providers: We may share information with third-party vendors who perform services on our behalf, such as website hosting, data analysis, and email delivery. These providers are contractually obligated to protect your information.

For Legal Reasons: We may disclose information if required to do so by law, regulation, legal process, or governmental request.

To Protect Rights: We may disclose information to protect the security, property, or rights of our Site, users, or others.

With Your Consent: We may disclose your information for any other purpose with your explicit consent.

5.Data Security

We take reasonable technical and organizational measures to protect your personal information from unauthorized access, use, alteration, or destruction. These measures include using HTTPS encryption for data transmission and securely storing data on servers.

However, please remember that no method of transmission over the internet or method of electronic storage is 100% secure. While we strive to use commercially acceptable means to protect your personal information, we cannot guarantee its absolute security.

6.Data Retention

We will retain your personal information only for as long as is necessary for the purposes set out in this Privacy Policy, or as required by law. When we no longer need your information, we will take reasonable steps to delete or anonymize it.

7.Your Rights

Depending on your location, you may have certain rights regarding your personal information, including:

Access: You have the right to request access to the personal information we hold about you.

Correction: You have the right to request correction of any inaccurate or incomplete information.

Deletion: In certain circumstances, you may request the deletion of your personal data.

Objection: You may object to the processing of your personal data in certain situations.

Withdraw Consent: If we process your data based on your consent, you have the right to withdraw it at any time.

To exercise any of these rights, please contact us using the information provided in the “Contact Us” section below.

8.Third-Party Links

Our Site may contain links to other websites that are not operated by us. If you click on a third-party link, you will be directed to that third party’s site. We strongly advise you to review the Privacy Policy of every site you visit. We have no control over, and assume no responsibility for, the content, privacy policies, or practices of any third-party sites or services.

9.Children’s Privacy

Our Site is not intended for use by children under the age of 13. We do not knowingly collect personally identifiable information from children under 13. If you are a parent or guardian and believe that your child has provided us with personal information, please contact us. If we discover that a child under 13 has provided us with personal information, we will promptly delete it.

10.Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the “Last Updated” date at the top.

We encourage you to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page. Your continued use of the Site after the changes have been posted constitutes your acceptance of the revised policy.

11.Contact Us

If you have any questions, concerns, or requests regarding this Privacy Policy, please feel free to contact us:

📧 Email: lh13058161668@gmail.com

We will do our best to respond to your inquiry within a reasonable timeframe (usually within 30 days).

Thank you for visiting TechDiary and trusting us with your privacy.