Cookie Policy

Last updated: 19 March 2026

What Are Cookies?

Cookies are small text files stored on your device when you visit a website. They help the site function properly and remember your preferences.

Cookies We Use

Luma uses essential cookies only. We do not use analytics, advertising, or tracking cookies.

Cookie Purpose Duration
session_id Keeps you signed in to your account Session or permanent (if "Remember me" is selected)
_luma_session Rails session cookie — stores CSRF protection token Session (cleared when browser closes)

Local Storage

We also use browser local storage (not cookies) for:

  • cookie_consent — remembers your cookie preference choice
  • luma-mode — remembers your light/dark theme preference
  • luma-install-dismissed — remembers if you've dismissed the install prompt

Third-Party Cookies

Luma does not set any third-party cookies. We do not use Google Analytics, Facebook Pixel, or any other tracking services.

Managing Cookies

You can delete cookies through your browser settings at any time. However, disabling essential cookies will prevent you from signing in to your Luma account.