Document 03 — Browser storage
Cookies.
We use four cookies. Total. None of them are for advertising. You can opt out of two of them.
| Cookie | Purpose | Lifetime | Required |
|---|---|---|---|
utb_session | Keep you signed in | 30 days | Yes |
utb_csrf | Form security | Session | Yes |
utb_pref | Theme, language | 180 days | No |
utb_anon | Internal error tracking (no PII) | 30 days | No |
01Third-party cookies
None. We do not embed Google Analytics, Facebook Pixel, Hotjar, or any other tracker.
02How to opt out
The two non-essential cookies (utb_pref, utb_anon) can be disabled in Account → Privacy. The two required cookies cannot be disabled — without them you can’t sign in.
03Local storage
We use localStorage for cart contents and form drafts. This data never leaves your device until you submit an order.
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Updated 2026-02-15