Cookies Notice
Date of Revision: 13 April 2026
This Cookies Notice explains how and why DZMM ("we", "us", or "our") uses cookies and similar tracking technologies on dzmm.io and all associated websites (the "Services").
1. What Are Cookies
Cookies are small text files stored on your device when you visit a website. They help websites recognize your device and remember information about your visit, preferences, and actions.
2. Data Collected Through Cookies
As you use the Services, we may use cookies to collect information including:
- Details of your visits (traffic data, pages viewed, resources accessed);
- Device information (IP address, operating system, browser type);
- Usage patterns over time.
This information helps us improve your experience by:
- Estimating audience size and usage patterns;
- Storing your preferences for a customized experience;
- Recognizing you when you return.
3. Cookies We Use
Essential Cookies
Required for the Services to function. These cannot be disabled without breaking core functionality.
| Cookie | Purpose | Duration | Provider |
|---|---|---|---|
| sb-*-auth-token | User authentication and login session | Session / long-term | Supabase |
| sb-*-session | Session management and token refresh | Session / long-term | Supabase |
| [anonymous-marker] | Prevents replay of anonymous sign-in | 1 hour | DZMM |
| _geo | Stores visitor country code (from Cloudflare) to determine applicable privacy regulations | 1 hour | DZMM |
| cc_cookie | Stores your cookie consent preferences | 6 months | DZMM |
Performance Monitoring
Used under legitimate interest for error tracking and service reliability. These operate without explicit consent, but user-identifying information (account ID, email) is only associated with error reports when you have consented to analytics cookies.
| Technology | Purpose | Data Collected | Provider |
|---|---|---|---|
| Sentry | Error tracking and performance monitoring | Error stack traces, browser info; user ID and email only with analytics consent | Sentry |
Functional Cookies
Used to remember your preferences and enhance your experience.
| Cookie | Purpose | Duration | Provider |
|---|---|---|---|
| chosen_language | Stores your language preference (e.g., zh-CN, ja) | 1 year | DZMM |
| invite_code | Tracks referral link attribution | 1 year | DZMM |
Analytics Cookies
Help us understand how users interact with the Services so we can improve them. These are set only with your consent.
| Cookie / Technology | Purpose | Duration | Provider |
|---|---|---|---|
| ph_* | Usage analytics, session recording (sampled), error capture | Variable | PostHog |
| Device fingerprint hash | Fraud prevention and account security (collected only with consent for logged-in users) | Persistent | DZMM |
4. Your Consent
By continuing to use the Services, you consent to our use of essential and functional cookies as described above. For non-essential cookies (analytics), we will seek your consent before setting them. You may manage your cookie preferences at any time by:
- Clearing your browser cookies and revisiting the Services (the consent banner will reappear);
- Adjusting your browser settings to block or delete specific cookies;
- Contacting us at [email protected] to request changes.
For more information about how we handle your personal data, see our Privacy Notice.
5. Cookie Retention
- Session cookies are deleted when you close your browser.
- Persistent cookies remain on your device for a set period or until you delete them.
6. Third-Party Cookies
Some cookies may be set by third-party analytics providers. These third parties may collect information about your browsing activity. We recommend reviewing their privacy policies for details.
7. Your Rights
You have the right to:
- Access your personal data collected through cookies;
- Request correction or deletion of such data;
- Object to processing based on legitimate interest;
- Request restriction of processing;
- Request data portability.
To exercise these rights, contact us at [email protected].
8. Managing Cookies
You can control cookies by:
- Using the consent management tool on our Services;
- Adjusting your browser settings to block or delete cookies.
Note that disabling certain cookies may affect the functionality of the Services.
9. Changes to This Notice
We may update this Cookies Notice from time to time. Material changes will be communicated through the Services.
10. Contact
For questions about this Cookies Notice, contact us at: [email protected]