Cookies & Local Storage Policy
Effective Date: September 18, 2026 • Last Reviewed: September 2026
MarketKo believes in a clean, private web experience. We do not use advertising trackers, marketing pixels, or third-party behavioral cookies. We use only strictly necessary technical cookies and browser local storage required to keep you signed in securely and remember basic interface state.
1. What We Store and Why
Here is the complete, honest list of cookies and storage keys used on MarketKo:
| Cookie / Key | Type | Purpose | Duration |
|---|---|---|---|
| sb-*-auth-token | Strictly Necessary | Encrypted authentication session keeping your student login active. | Session / 7 Days |
| marketko_cookie_consent | Preference (localStorage) | Remembers that you acknowledged the cookie notification banner. | 1 Year |
| cart_items | Functional | Temporarily stores items added to your cart between page navigation. | Session |
2. Zero Third-Party Advertising Trackers
We do not embed Meta Pixel, Google AdSense, TikTok Pixel, or any third-party cross-site profiling trackers.
Your browsing activity on MarketKo stays on MarketKo. We will never sell your browsing history or follow you across the internet with ads.
3. How to Manage or Delete Cookies
You can instruct your browser to refuse all cookies or to indicate when a cookie is being sent via your browser settings (Chrome, Firefox, Safari, Edge).
Please note: Because our cookies are strictly necessary for student authentication, disabling cookies will prevent you from signing in to your MarketKo account or creating listings.
For questions regarding cookie policy & session storage: kzyubenapoles.ict@gmail.com