Cookie Policy
Last updated: July 24, 2026 · Contact: support@b4korea.com
1. What Are Cookies
Cookies are small text files stored on your device when you visit a website. They allow the site to remember information about your visit — such as your login session or preferences.
2. Cookies We Use
2.1 Strictly Necessary
These cookies are required for the platform to function. They cannot be disabled.
| Cookie | Set by | Purpose | Duration |
|---|---|---|---|
sb-<project-ref>-auth-token (may split into .0/.1 for large sessions) | B4K (Supabase Auth) | Keeps you signed in | Session |
NEXT_LOCALE | B4K | Remembers your language preference | 1 year |
2.2 Analytics
These cookies help us understand how the platform is used. They are loaded after you accept the cookie banner.
| Cookie | Set by | Purpose | Duration |
|---|---|---|---|
_ga | Google Analytics 4 | Distinguishes unique users | 14 months |
_ga_* | Google Analytics 4 | Session state | 14 months |
_clck | Microsoft Clarity | Persists Clarity User ID | 1 year |
_clsk | Microsoft Clarity | Connects page views to a session | 1 day |
MUID | Microsoft Clarity | Identifies unique browsers across Microsoft domains | 1 year |
3. What We Do NOT Use Cookies For
- Advertising or ad targeting
- Selling data to third parties
- Tracking you across other websites (beyond what GA4 and Clarity do for analytics purposes)
4. Managing Your Cookie Preferences
In B4K: use the preferences panel below to review and change your analytics consent at any time.
In your browser: you can block or delete cookies via your browser settings. Note that disabling strictly necessary cookies will break sign-in functionality.
Opt-out links:
- Google Analytics: tools.google.com/dlpage/gaoptout
- Microsoft Clarity: privacy.microsoft.com
5. Changes to This Policy
We may update this policy when we add new cookies or change vendors. The “Last updated” date at the top reflects the most recent revision.
6. Contact
B4K — support@b4korea.com
Manage Your Preferences
Analytics cookies
Control whether B4K can use analytics cookies on this device.