Cookie Policy

Last updated: June 2025

This page explains how 4divers uses cookies and similar storage on app.4divers.app.

What is a Cookie?

A cookie is a small text file stored in your browser by a website. Cookies help sites remember you between visits.

Cookies We Set

1. Session Cookie (`session`)

Purpose: Authentication — keeps you signed in between page loads.
Domain: app.4divers.app (host-only; not shared with www.4divers.app).
Duration: 30 days, or until you sign out.
Flags: HttpOnly; Secure; SameSite=Lax — the cookie is inaccessible to JavaScript and only sent over HTTPS.
Strictly necessary: Yes. The app cannot function without it once you sign in.

Third-Party Cookies

We use Google Sign-In (GSI). During the sign-in flow, Google may set cookies under accounts.google.com governed by Google's Privacy Policy. These are temporary and cleared after authentication completes.

Cloudflare Web Analytics may set a performance cookie (__cf_bm) to distinguish genuine traffic. This cookie contains no personally identifiable information.

No Tracking or Advertising Cookies

4divers does not use advertising networks, retargeting pixels, or cross-site tracking cookies.

Managing Cookies

You can clear or block cookies in your browser settings. Blocking the session cookie will prevent sign-in. All major browsers allow cookie management:

Contact

Questions? Contact us.