Cookie Policy
Last updated: June 19, 2026
1. What is a cookie?
A cookie is a small text file placed on your device (computer, tablet, smartphone) by a website when you visit it. It allows the site to remember information about your visit — language preferences, login status, browsing behavior — in order to improve your experience.
Cookies do not contain viruses and cannot run programs on your device. Some are strictly necessary for the site to function; others, optional, require your prior consent.
2. Strictly necessary cookies
These cookies are essential for the Service to function. They cannot be disabled without making the site unusable. No consent is required for them to be set (ePrivacy / CNIL exemption).
| Name / Prefix | Issuer | Purpose | Duration |
|---|---|---|---|
| sb-*-auth-token | Supabase | Authentication session — keeps the user signed in | Session / 1 week |
| sb-*-auth-token-code-verifier | Supabase | PKCE verification for secure OAuth authentication | Session |
| __stripe_mid | Stripe | Fraud prevention during payment | 1 year |
| __stripe_sid | Stripe | Session identification during payment | 30 minutes |
3. Audience-measurement cookies (subject to consent)
These cookies are only set after you give consent via the cookie management banner on the site.
| Tool | Issuer | Purpose | Duration |
|---|---|---|---|
| PostHog (product analytics) | PostHog Inc. (EU-hosted) | Anonymized audience measurement — page views, product events, conversion funnel — without selling data to third parties | 1 year |
PostHog is hosted in the European Union. Analytics data is not resold to third parties and is used solely to improve the Service.
4. How to manage your cookies
Via the consent banner
A cookie management banner is displayed on your first visit. You can accept or reject non-essential cookies there. You can also change your preferences at any time from this banner.
Via your browser settings
You can configure your browser at any time to refuse cookies, to be warned before they are set, or to delete cookies already stored. Here's how to access the settings of the main browsers:
Warning: disabling strictly necessary cookies will prevent you from signing in to your account and using the Service.
5. Changes
This policy may be updated to reflect changes to the Service or to applicable regulations. The "Last updated" date at the top of this page governs. In the event of a material change, you will be informed via the consent banner or by email.
6. Contact
For any question about the use of cookies on Sondeo, contact us via our contact form.