Cookie Policy
Effective Date: 2026-04-12
1. What Are Cookies
Cookies are small text files placed on your device when you visit a website. They help the site remember your preferences, maintain your session, and understand how you interact with the content. Similar technologies include local storage and session storage.
2. How We Use Cookies
Kernion uses cookies organized into three categories. You can manage your preferences at any time using the cookie banner or the "Manage Cookies" button in the site footer.
2.1 Necessary Cookies
These cookies are essential for the Services to function. They cannot be disabled.
| Cookie / Storage | Purpose | Duration |
|---|---|---|
jwt / refreshToken | Authentication — maintains your logged-in session | Session / 30 days |
csrf_token | Security — prevents cross-site request forgery attacks | Session |
cookieConsent | Stores your cookie preferences | 1 year |
theme / themeMode | Remembers your light/dark mode preference | Persistent |
timezone | Stores your timezone for correct time display | Persistent |
language | Stores your preferred language | Persistent |
2.2 Analytics Cookies
These cookies help us understand how visitors interact with the Services. They are only set with your explicit consent.
| Cookie / Storage | Purpose | Duration |
|---|---|---|
| Usage analytics | Aggregated page views, feature usage, and navigation patterns | 12 months |
| Performance metrics | Page load times, error rates — helps us identify and fix issues | Session |
2.3 Marketing Cookies
These cookies support referral tracking and campaign measurement. They are only set with your explicit consent.
| Cookie / Storage | Purpose | Duration |
|---|---|---|
invite_code | Tracks referral invitations so credit goes to the referring user | 30 days |
| Campaign parameters | UTM and referral source tracking for campaign effectiveness | Session |
3. Third-Party Cookies
Some third-party services integrated into the Platform may set their own cookies:
- Stripe: Payment processing — sets cookies to detect fraud and facilitate secure payments
We do not use third-party advertising cookies. We do not share cookie data with advertising networks.
4. Managing Your Cookies
You can control cookies in several ways:
- Cookie Banner: When you first visit the site, use the banner to accept or customize your preferences
- Manage Cookies: Click "Manage Cookies" in the site footer at any time to update your preferences
- Browser Settings: Most browsers allow you to block or delete cookies through their settings. Note that blocking necessary cookies may prevent the Services from functioning properly
5. Local Storage & Service Worker
In addition to cookies, we use browser local storage and a service worker for:
- Offline Support: The service worker caches essential assets so the app works during brief network interruptions
- Request Queue: If you lose connectivity, pending requests are queued locally and sent when connection resumes
- Preferences: Theme, language, and display preferences are stored locally for instant load times
You can clear local storage and unregister the service worker through your browser's developer tools or site settings.
6. Changes to This Policy
We may update this Cookie Policy as our use of cookies evolves. Changes will be reflected in the "Effective Date" above. Material changes will be communicated through the cookie banner.
7. Contact
For questions about our use of cookies, contact us at legal@kernion.io.
See also: Privacy Policy · Terms of Service