Cookie Policy
Last updated: March 2026
What are cookies?
Cookies are small text files stored on your device when you visit a website. They allow the website to remember your preferences and session state across page loads.
Cookies we use
MarkMyAI uses technically necessary cookies for authentication and security. If you explicitly consent, we also enable Google Analytics 4 for website analytics. We do not use advertising cookies.
| Name | Type | Duration | Purpose |
|---|---|---|---|
| sb-access-token | Necessary | Session | Supabase authentication — keeps you logged in |
| sb-refresh-token | Necessary | 7 days | Supabase auth refresh token — renews your session |
| __stripe_mid | Necessary | 1 year | Stripe fraud prevention (set only on payment pages) |
| __stripe_sid | Necessary | 30 min | Stripe session identifier (set only on payment pages) |
| _ga | Analytics | 2 years | Google Analytics 4 — distinguishes returning visitors (set only after consent) |
| _ga_<container-id> | Analytics | 2 years | Google Analytics 4 — stores session and page analytics data (set only after consent) |
Your analytics choice is additionally stored in your browser's local storage so that we can remember whether you accepted or rejected analytics when you return to the site.
Do we use analytics?
Yes, but only after your explicit consent. We use Google Analytics 4to understand page traffic and product interest on MarkMyAI. We do not enable advertising features, cross-site marketing, or personalization. You can reject analytics, or later reopen the privacy settings to change your decision.
Legal basis
Technically necessary cookies do not require consent under the EU ePrivacy Directive and GDPR, as they are strictly required to provide the service you have requested. Analytics cookies are only set after your consent under Art. 6(1)(a) GDPR.
How to control cookies
You can block or delete cookies at any time through your browser settings. Note that disabling the authentication cookies will prevent you from logging in to your MarkMyAI account. You can also change your analytics choice at any time via the privacy settings button shown on the website.
Chrome: Settings → Privacy and security → Cookies and other site data
Firefox: Settings → Privacy & Security → Cookies and Site Data
Safari: Preferences → Privacy → Manage Website Data
Edge: Settings → Cookies and site permissions → Cookies and site data
Contact
Questions about our cookie use? Contact us at dominic@tschansolutions.com.