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Cookies Policy

Last updated: September 17, 2025

1. What is a cookie?

A cookie is a small text file stored on your device when visiting a website. It may be strictly necessary for operation, used to remember your preferences, measure audience reach, or personalize content.

2. Our use of cookies

On Nelyx, we mainly use strictly necessary cookies (authentication, security, consent) and, if you accept them, preference cookies and audience measurement cookies. We do not use any third-party marketing cookies on our domain by default.

3. List of cookies used

A) Strictly necessary (exempt from consent)

  • nelyx_session — Session authentication (HTTPOnly, Secure, SameSite=Lax/Strict). Duration: session / max 12h Type: first-party.
  • nelyx_refresh — Session refresh (HTTPOnly, Secure). Duration: 7–30 days (depending on your config) Type: first-party.
  • csrf_token — CSRF protection (if enabled). Duration: session Type: first-party.
  • cookie_consent — Stores your consent preferences. Duration: 6–12 months Type: first-party.

B) Preferences (subject to consent)

  • theme — Light/dark mode. Duration: 12 months Type: first-party.
  • locale — Interface language. Duration: 12 months Type: first-party.

C) Audience measurement (subject to consent)

  • _pk_id*, _pk_ses* — e.g., self-hosted Matomo. Duration: 13 months / 30 min Type: first-party.
  • plausible_ignore — e.g., Plausible opt-out. Duration: 12 months.

D) Third-party cookies outside our domain

When you are redirected to third-party services such as Stripe Checkout or Google OAuth, cookies may be placed on their respective domains. They are governed by their own cookie policies.

4. Managing consent

On your first visit, a banner allows you to accept, refuse, or customize your choices by category. You can change your preferences at any time:

5. Browser settings

You can also configure your browser to block or delete cookies. Settings vary depending on the browser (e.g., Chrome, Firefox, Safari, Edge). Blocking strictly necessary cookies may impair certain functions.

6. Retention periods

Retention durations are listed above by category. Session cookies expire when you close the browser. Others last between 30 minutes and 13 months depending on their purpose.

7. Changes to this policy

We may update this policy to reflect technical, legal, or functional changes. In case of substantial changes, a notice will be displayed on the website.

8. Contact

For any questions, contact us at support@nelyx.fr (subject: “Cookies”).