Cookies Policy

Last updated: 12/6/2025

This Cookies Policy explains how Stack Sensei uses cookies and similar tracking technologies on our platform. By using our services, you consent to the use of cookies as described in this policy.

1. What Are Cookies?

Cookies are small text files placed on your device when you visit our platform. They help us provide you with a better experience by remembering your preferences, maintaining your session, and understanding how you use our services.

2. Types of Cookies We Use

Essential Cookies

Required for the platform to function properly. These cannot be disabled.

  • Session cookies: Maintain your logged-in state
  • Security cookies: Protect against CSRF attacks
  • Authentication cookies: Verify your identity via Clerk
  • Load balancing: Ensure platform stability

Functional Cookies

Enable personalized features and remember your preferences.

  • Preference cookies: Remember your settings and choices
  • Language cookies: Store your language preference
  • Theme cookies: Remember display preferences
  • Feature cookies: Enable enhanced functionality

Analytics Cookies

Help us understand how users interact with our platform.

  • Usage analytics: Track feature usage and engagement
  • Performance cookies: Monitor loading times and errors
  • User flow: Understand navigation patterns
  • A/B testing: Improve platform features

Third-Party Cookies

Set by our trusted service providers.

  • Clerk: Authentication and user management
  • Stripe: Payment processing and fraud prevention
  • Cloudflare: Security and performance optimization

3. Cookie Lifespan

Session Cookies

Deleted when you close your browser

Persistent Cookies

Remain for specified duration (1-365 days)

Authentication Cookies

Valid for 30 days or until logout

4. Information Collected

Cookies may collect and store:

  • Unique identifiers and session IDs
  • Browser type and version
  • Device information and operating system
  • IP address and approximate location
  • Pages visited and features used
  • Referring website or campaign
  • Time spent on platform
  • Error logs and performance data

5. Managing Cookies

Browser Controls

Most browsers allow you to control cookies through their settings:

  • Chrome: Settings → Privacy and Security → Cookies
  • Firefox: Settings → Privacy & Security → Cookies
  • Safari: Preferences → Privacy → Cookies
  • Edge: Settings → Privacy, Search, and Services → Cookies

Important: Disabling essential cookies may prevent you from using certain features of our platform, including login and payment processing.

6. Do Not Track Signals

Our platform currently does not respond to Do Not Track (DNT) browser signals. However, you can control cookie usage through your browser settings as described above.

7. Local Storage

In addition to cookies, we use local storage and session storage to:

  • Cache data for offline functionality
  • Store temporary form data
  • Remember UI state and preferences
  • Improve platform performance

8. Mobile App Cookies

When using Stack Sensei as a Progressive Web App (PWA) on mobile devices, we use similar technologies to cookies to provide functionality and analyze usage. These can be managed through your device settings.

9. Updates to This Policy

We may update this Cookies Policy to reflect changes in our practices or for legal reasons. We will notify you of significant changes through the platform or via email. The "Last updated" date at the top indicates when this policy was last revised.

10. Contact Information

If you have questions about our use of cookies or this policy, please contact us:

Email: privacy@stacksensei.com

Support: Via in-app support system

11. Consent

By continuing to use Stack Sensei, you consent to our use of cookies as described in this policy. If you do not agree with our use of cookies, please adjust your browser settings or discontinue use of our platform.