This Cookie Policy explains how ChessVector (“we”, “our”, “us”) uses cookies and similar technologies when you visit our website or use our services (“Service”).
By using ChessVector, you agree to this Cookie Policy.
1. What Are Cookies?
Cookies are small text files stored on your device when you visit a website. They allow websites to remember your actions and preferences.
We also use related technologies such as:
- LocalStorage
- SessionStorage
- Cache
- Analytics tokens
- Security tokens
These function similarly to cookies.
2. Types of Cookies We Use
ChessVector uses three categories of cookies:
2.1 Strictly Necessary Cookies (Essential)
These cookies are required for ChessVector to function. We use them for:
Authentication (Supabase)
- Maintaining user sessions
- Keeping you logged in
- Protecting your account
Cookie names: sb-*-auth-token
Session Management
- Tracking your session across pages
- Maintaining application state
- Enabling core functionality
Cookie name: session_id
These cookies cannot be disabled, because the service cannot operate without them.
2.2 Functional Cookies
These cookies improve your experience but are not strictly required. Examples:
- Saving theme (dark/light)
- UI layout preferences
- Recently analyzed games
- Mobile responsiveness state
- Feature toggles
These do not track you across sites.
2.3 Analytics Cookies
We use PostHog for privacy-friendly analytics to understand how users interact with our service. These cookies collect anonymized metrics such as:
- Page visits
- Feature usage
- Button clicks
- Device type
- Session duration
Cookie names: ph_* (PostHog session and tracking cookies)
Host: EU-hosted PostHog instance (eu.posthog.com)
We DO NOT:
- Use advertising cookies
- Use third-party trackers for marketing
- Share analytics data with third parties
- Track you across other websites
3. Third-Party Cookies
ChessVector integrates with trusted service providers:
Supabase
For authentication and session management.
Stripe
For handling payments and subscription management. May place cookies related to checkout, fraud prevention, and subscription status.
PostHog
For privacy-friendly analytics (EU-hosted). Only active with your consent.
We do not allow third parties to use data for advertising.
4. Managing Cookies
You can control cookies through your browser:
- Block cookies
- Delete cookies
- Set site-specific rules
- Send “Do Not Track” requests
If you disable essential cookies:
ChessVector may not function correctly or may not allow login.
5. Changes to This Policy
We may update this Cookie Policy from time to time. Updates will be posted with a new “Last Updated” date.
6. Contact Us
For questions related to this policy: