Legal

Cookie / Tracking Policy

Page Summary

  • Audience

    Audience: users who want to understand cookie and tracking usage.

  • Important Point

    Important point: cookies are used for authentication, security, preferences, and reliability.

  • Required Action

    Required action: check feature impact before changing browser cookie settings.

Effective date
2026-02-09
Last updated
2026-07-13

1. What We Use

We use cookies and similar storage technologies to recognize sessions, apply settings, and improve reliability.

We currently do not use analytics cookies or third-party analytics tools (such as Google Analytics).

Usage measurement is performed through anonymous first-party aggregation that does not store anything on your device and does not record personally identifiable information or IP addresses.

2. Purposes

Primary purposes include:

  • authentication and fraud prevention
  • user preference retention (e.g., language)
  • performance analysis and troubleshooting

3. Consent Management

We currently do not use cookies or similar technologies that require consent, so no consent banner is displayed.

If we introduce such technologies in the future, we will update this policy in advance and provide the required consent or opt-out mechanisms.

4. Your Controls

You can control cookies through browser settings.

Disabling required cookies may prevent login or other essential features from working properly.

5. Required Content

The following cookie disclosures are mandatory.

  • types of technologies used (cookies and similar storage)
  • purposes (authentication, security, preferences, diagnostics)
  • impact of disabling required cookies
  • no analytics cookies or third-party analytics tools are used; usage measurement is anonymous first-party aggregation
  • contact channel for policy-related questions

6. Recommended Content

Before changing browser settings, users are advised to:

  • check impacts on login and learning history visibility
  • review stored browser data regularly on shared devices
  • have guardians review device privacy settings for minors