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Privacy Policy

Last updated: December 18, 2025

1. Introduction

Welcome to MBTI Senpai ("we," "our," or "us"). We are committed to protecting your privacy and ensuring transparency about how we collect, use, and protect your information. This Privacy Policy explains our practices regarding data collection and usage when you use our website and services.

By using MBTI Senpai, you agree to the collection and use of information in accordance with this policy. If you do not agree with our policies and practices, please do not use our service.

2. Information We Collect

2.1 Quiz Responses

When you take the MBTI personality test, we collect your responses to the quiz questions. These responses are used solely to calculate your personality type and generate your results. Your quiz answers are processed in real-time and are not permanently stored on our servers.

2.2 Automatically Collected Information

  • Usage Data: We automatically collect information about how you interact with our website, including pages visited, time spent on pages, and navigation patterns.
  • Device Information: We may collect information about your device, including browser type, operating system, and device identifiers.
  • IP Address: Your IP address may be collected for security purposes and to analyze website traffic patterns.
  • Cookies and Tracking Technologies: We use cookies and similar tracking technologies to enhance your experience and analyze website usage.

2.3 Third-Party Analytics

We use Google Analytics to understand how visitors use our website. Google Analytics collects information such as how often users visit our site, what pages they visit, and what other sites they used prior to coming to our site. Google's ability to use and share information collected by Google Analytics about your visits to this site is restricted by the Google Analytics Terms of Service and the Google Privacy Policy.

3. How We Use Your Information

We use the information we collect for the following purposes:

  • To Provide Services: Process your quiz responses and generate your MBTI personality type results.
  • To Improve Our Service: Analyze usage patterns to enhance user experience and improve our website functionality.
  • To Ensure Security: Detect and prevent fraud, abuse, and security issues.
  • For Analytics: Understand how users interact with our website to make data-driven improvements.

4. Data Storage and Retention

Your quiz responses are processed in real-time and are not permanently stored on our servers. Results are encoded in URL parameters, allowing you to share or revisit your results via the generated link. We do not maintain a database of individual quiz results or personal information.

Analytics data collected by Google Analytics is retained according to Google's data retention policies. You can learn more about Google Analytics data retention here.

5. Data Sharing and Disclosure

We do not sell, trade, or rent your personal information.

We may share information in the following circumstances:

  • Service Providers: We may share data with third-party service providers who assist us in operating our website, such as hosting providers and analytics services (e.g., Google Analytics, Vercel).
  • Legal Requirements: We may disclose information if required by law or in response to valid requests by public authorities.
  • Business Transfers: In the event of a merger, acquisition, or sale of assets, your information may be transferred as part of that transaction.

6. Cookies and Tracking Technologies

We use cookies and similar tracking technologies to track activity on our website and store certain information. Cookies are files with a small amount of data that may include an anonymous unique identifier.

Types of cookies we use:

  • Essential Cookies: Required for the website to function properly.
  • Analytics Cookies: Help us understand how visitors interact with our website through Google Analytics.

You can instruct your browser to refuse all cookies or to indicate when a cookie is being sent. However, if you do not accept cookies, you may not be able to use some portions of our service.

7. Third-Party Services

Our website uses the following third-party services:

8. Your Rights and Choices

Depending on your location, you may have the following rights:

  • Access: Request information about the personal data we hold about you.
  • Deletion: Request deletion of your personal data.
  • Opt-Out: Opt-out of certain data collection practices, such as Google Analytics tracking.
  • Cookie Preferences: Manage cookie settings through your browser.

To exercise these rights or if you have questions about your data, please contact us using the information provided in the Contact section below.

You can opt-out of Google Analytics tracking by installing the Google Analytics Opt-out Browser Add-on.

9. Children's Privacy

Our service is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us, and we will delete such information from our records.

10. Data Security

We implement appropriate technical and organizational measures to protect your information. However, no method of transmission over the Internet or electronic storage is 100% secure. While we strive to use commercially acceptable means to protect your data, we cannot guarantee absolute security.

11. International Data Transfers

Your information may be transferred to and processed in countries other than your country of residence. These countries may have data protection laws that differ from those in your country. By using our service, you consent to the transfer of your information to these countries.

12. 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. You are advised to review this Privacy Policy periodically for any changes.

13. Contact Us

If you have any questions about this Privacy Policy or our data practices, please contact us: