Privacy Policy

1. Personal Information Collected

The Service does not require registration. The following information may be automatically collected during test participation: • Automatic collection: IP address, browser type, OS, access time, visited pages — for usage statistics and fraud prevention • Test response results: Stored with an anonymous ID (UUID) to enable the result sharing feature. Does not include any directly identifiable information. • Local storage: Test progress, language preference, etc. — for user environment settings The Service does not collect directly identifiable information such as name, email, or phone number. The Service does not separately collect personal information from children under 14.

2. Purpose of Use

Collected information is used only for the following purposes: • Generating and displaying test results • Service usage statistics (visitor count, popular tests, etc.) • Service quality improvement and error response • Fraud detection and prevention

3. Retention and Destruction

• Automatically collected information: Retained for 1 year from collection date, then destroyed. • Cookie information: Deleted when browser is closed or can be manually deleted by the user. When the retention period expires or the purpose is fulfilled, the information is promptly destroyed.

4. Third-Party Disclosure

The Service does not disclose users' personal information to third parties in principle. Exceptions include: • When the user has given prior consent • When required by law

5. Outsourcing of Data Processing

The Service outsources certain data processing tasks to third-party providers for stable operation: • Supabase Inc. (USA) — storage of test response results (anonymous UUID, no personally identifiable information) • Functional Software, Inc. (Sentry, USA) — collection of debugging information when service errors occur Processors are bound by data protection agreements and are prohibited from using or sharing data beyond the entrusted purpose.

6. Cookies and Analytics Tools

The Service uses the following tools for test convenience and stable operation: • Essential: Browser local storage (test progress, language preference) — refusal may limit test usage • Analytics: Cloudflare Web Analytics — collects anonymous statistics without cookies (pageviews, referrers, country/device) • Error Monitoring: Sentry — automatically collects debugging information when service errors occur (does not include personally identifiable information) • Advertising: No ads are currently served; this policy will be updated when ads are introduced. Users may refuse cookies and local storage through browser settings, but some services may be limited.

7. Security Measures

The Service takes the following measures for secure processing of personal information: • Data transmission encryption via HTTPS • Minimized access permissions • Regular security audits • DDoS protection and security enhancement via Cloudflare

8. User Rights

Users may exercise the following rights at any time: • Delete and refuse cookies (browser settings) • Request to view or delete collected information Please send inquiries to the contact below.

9. Privacy Officer

10. Privacy Violation Consultation and Reporting

If you need consultation regarding privacy violations, you may contact the following organizations:

• Personal Information Infringement Report Center — privacy.kisa.or.kr, Tel: 118 • Personal Information Dispute Mediation Committee — kopico.go.kr, Tel: 1833-6972

11. Changes to This Policy

This Privacy Policy may be amended due to changes in laws or the Service, and changes will be announced through notices within the Service.