1. What Is a Cookie?
Cookies are small text files placed on your device when you visit a website. CarbonTiers uses cookies to:
- Keep you signed in during your session
- Remember your preferences (e.g. language, billing period)
- Analyze how the platform is used so we can improve it
- Provide relevant advertisements via Google AdSense (optional)
2. Types of Cookies We Use
| Category | Cookie Name | Purpose | Duration |
|---|---|---|---|
| Necessary | next-auth.session-token | Authentication — keeps you logged in | Session / 30 days |
| Necessary | cookie_consent | Stores your cookie preferences | 365 days |
| Necessary | __Host-next-auth.* | CSRF protection for authentication | Session |
| Analytics | _ga, _ga_* | Google Analytics — visitor counts and usage patterns | 2 years |
| Advertising | _gcl_au, IDE | Google AdSense — interest-based ads | 13 months |
3. Third-Party Services
The following third-party services may set cookies when you use CarbonTiers:
- Google Analytics — used to understand how visitors interact with our platform. Data is anonymized. See Google Privacy Policy.
- Google AdSense — may serve personalized ads based on your interests. See Google Ads Policy.
- Paddle — our payment processor. Paddle may set cookies during checkout. See Paddle Privacy Policy.
- Vercel Analytics — privacy-friendly page view tracking with no personal data stored.
4. Your Choices
When you first visit CarbonTiers, a cookie consent banner lets you choose which categories of cookies to accept. You can change your preferences at any time by clearing your cookies and revisiting the site.
You can also control cookies directly in your browser settings:
Note: disabling necessary cookies will prevent you from signing in to CarbonTiers.
5. Data Transfers
Some cookies (e.g. Google Analytics and AdSense) may transfer data to servers outside the European Economic Area. Where this occurs, Google's standard contractual clauses apply. See Google Privacy Policy for details.
6. Changes to This Policy
We may update this Cookie Policy from time to time. Any changes will be posted on this page with an updated date. Continued use of carbontiers.com after changes constitutes acceptance of the revised policy.
7. Contact
If you have questions about our use of cookies, please contact us at support@carbontiers.com.