Cookie policy
Last updated 1 October 2026
We keep our use of cookies and similar technologies to a minimum. This page explains what we use and why.
What we use
| Type | What it is | Purpose |
|---|---|---|
| Essential | Cookies named sb-…-auth-token, set by our sign-in provider, Supabase, when you sign in to the product. A long session may be split across several numbered cookies. | Keep you signed in and keep your session secure. The product does not work without these. The website sets no cookies. |
| Preferences | Entries in your browser's local storage, not cookies. | Remember settings such as your theme, text weight, Zed's speech and layout, editor options, which tours and tips you have seen, and the simulated user you last signed on as. They stay on your device. |
| Analytics | Vercel Analytics and Speed Insights. No cookies. | Count page views and measure how quickly pages load, so we can understand how the site and product are used. They do not track you across other websites. |
No advertising or cross-site tracking
We do not use third-party advertising cookies, we do not build advertising profiles, and we do not sell your browsing data.
Managing cookies
You can control or clear cookies through your browser settings, and clear local storage the same way. Blocking the essential cookies stops you signing in to the product.
Contact
Questions? Email legal@mainframe101.org.