Cookie Policy
Last updated: 10 May 2026. Version 1.
This page describes every cookie SelfPub Go sets, why we set it, and how long we keep it. We follow the ePrivacy Directive and GDPR Article 7 — your consent is granular, specific, and revocable.
You can change your preferences any time by clicking “Cookie preferences” in the footer of any page, or by clearing the selfpubgo.cookies.v1 entry in your browser’s Local Storage.
Strictly necessary
Always onNeeded for the platform to load and keep you signed in. We cannot disable these.
| Cookie | Provider | Purpose | Retention |
|---|---|---|---|
| sb-access-token | Supabase Auth | Holds your authentication session. | 1 hour (rotated) |
| sb-refresh-token | Supabase Auth | Allows silent re-authentication without re-login. | 30 days |
| csrf-token | SelfPub Go | Prevents cross-site request forgery on form posts. | Session |
| selfpubgo.cookies.v1 | SelfPub Go | Stores your cookie preferences so we don't ask again. | 13 months (max GDPR) |
Functional
Opt-inImprove the experience without tracking you. Off by default unless you opt in.
| Cookie | Provider | Purpose | Retention |
|---|---|---|---|
| selfpubgo.locale | SelfPub Go | Remembers your language preference across visits. | 12 months |
| selfpubgo.theme | SelfPub Go | Remembers light/dark mode preference. | 12 months |
Analytics
Opt-inAnonymized PostHog telemetry — page views, time on page, conversion paths. No third-party ad networks.
| Cookie | Provider | Purpose | Retention |
|---|---|---|---|
| ph_* | PostHog | Anonymous usage analytics. No PII captured. | 13 months |
Marketing
Opt-inConversion attribution for paid advertising. Only set when you arrive via an ad we placed.
| Cookie | Provider | Purpose | Retention |
|---|---|---|---|
| _kbk_attr | SelfPub Go | Records the campaign that brought you in, so we measure marketing ROI accurately. | 30 days |
Your rights under GDPR
You can withdraw consent at any time without affecting prior processing. To exercise your right of access, rectification, erasure, or portability, email privacy@selfpubgo.com. We respond within 30 days per Article 12(3).
Browser-level controls also work: most browsers let you block third-party cookies, clear cookies on close, or use private browsing. We do not use any tracking that survives a Local Storage + cookie purge.
Read our full Privacy Policy and Terms of Service.