Cookie Policy
Last updated: May 16, 2026
What are cookies?
Cookies are small text files placed on your device by websites you visit. They are widely used to make websites work efficiently and to provide reporting information. Convertzap uses both first-party cookies (set by us) and third-party cookies (set by our partners).
How we use cookies
We use cookies and similar tracking technologies for four purposes: strictly necessary operation, analytics, marketing/attribution, and personalisation. You can manage your preferences at any time via the cookie banner or by contacting us.
Cookie categories and full list
Strictly Necessary
These cookies are required for the site to function. They cannot be disabled.
| Name | Provider | Purpose | Duration |
|---|---|---|---|
| sb-<ref>-auth-token | Convertzap | Supabase authentication session token. Required to stay logged in. | Session |
| __Secure-next-auth.session-token | Convertzap | Next.js auth session cookie (dashboard). Required. | Session |
Analytics
Help us understand how visitors use the site. Only set after consent.
| Name | Provider | Purpose | Duration |
|---|---|---|---|
| cz_attr | Convertzap | First-party attribution cookie storing visitor ID, session ID, click IDs, UTM parameters, and cookie consent choice. | 90 days (attribution) / 12 months (consent) |
| _ga | Google Analytics 4 | Distinguishes unique users. Used for GA4 measurement. | 2 years |
| _ga_<ID> | Google Analytics 4 | Persists session state for GA4. | 2 years |
| ph_* | PostHog | Product analytics — feature usage, session recording (if enabled). | 1 year |
Marketing and Attribution
Used for ad attribution, retargeting, and conversion reporting. Only set after consent.
| Name | Provider | Purpose | Duration |
|---|---|---|---|
| _fbp | Meta (Facebook) | Meta Pixel browser ID for ad measurement and retargeting. Set by cz-track.js for CAPI deduplication. | 90 days |
| _fbc | Meta (Facebook) | Stores fbclid click ID for Meta Conversions API attribution. | 90 days |
| _gcl_au | Google Ads | Google Ads conversion linker. Stores gclid for Google Ads attribution. | 90 days |
| _ttp | TikTok | TikTok Pixel user identifier for Events API deduplication. | 13 months |
Personalisation
Used to remember user preferences. Only set after consent.
| Name | Provider | Purpose | Duration |
|---|---|---|---|
| cz_theme | Convertzap | Stores user's light/dark mode preference in the dashboard. | 1 year |
Managing your cookie preferences
You can manage your cookie preferences at any time:
- Cookie banner: Use the "Customize" option in the cookie banner shown on your first visit to adjust per-category consent.
- Browser settings: Most browsers allow you to block or delete cookies via browser settings. Note that blocking strictly necessary cookies will break site functionality.
- Do Not Track (DNT): If your browser sends a DNT signal, we will automatically reject all non-essential cookies.
- Opt-out links: Google Analytics: Google Opt-out. Meta: Meta Ad Preferences.
Changes to this policy
We may update this Cookie Policy periodically. The "Last updated" date at the top of this page reflects the current version. Material changes will be announced via the cookie banner.
Contact
Questions about our use of cookies?
[email protected]