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Cookie Policy

Last updated: August 9, 2026

First-party only

Cookies set by Onefive plus one analytics tool

No advertising

No ad or targeting cookies, no data sold

Short lifetimes

From 10 minutes to 1 year depending on the cookie

Your browser decides

You can block or delete them at any time

What are cookies?

A cookie is a small text file placed on your device when you visit a site. At Onefive, cookies do three things: remember your preferences, keep you signed in to your account, and measure the site's audience.

On the onefive.app website

NamePurposeSet byDuration
NEXT_LOCALERemembers whether you are reading the site in English or French. Strictly necessary.OnefiveSession
ph_*_posthogAudience measurement: which pages are visited and how visitors move through the site, so we know what to improve.PostHog (EU servers)1 year

On the application (when you have an account)

NamePurposeSet byDuration
tokenSession cookie that keeps you signed in. httpOnly: inaccessible to scripts. Strictly necessary.Onefive30 days (server session valid up to 90 days)
is_authenticatedA plain flag ("1") that lets the interface know you are signed in without exposing the token. Strictly necessary.Onefive30 days
oauth_nonceProtects the sign-in flow with Google, LinkedIn or Apple against hijacking (anti-CSRF). Only set during that flow. Strictly necessary.Onefive10 minutes
ph_*_posthogAudience measurement and product improvement.PostHog (EU servers)1 year

At signup, we also compute a browser identifier with the FingerprintJS library to prevent fraud and abusive account creation. It is not a cookie (nothing is stored on your device) but we mention it here for transparency. More details in our Privacy Policy.

We do not use advertising or targeting cookies, and we do not sell or share this data for commercial purposes.

Managing cookies

You can delete cookies already stored on your device and set your browser to block new ones. Blocking the strictly necessary cookies will prevent you from staying signed in; blocking the others has no impact on how the service works.

Your choices

We do not have a cookie settings screen yet. Until we do, your browser is the control: every browser lets you block or delete cookies for a site. You can also email us to ask that your analytics data be deleted.

Need More Information?

If you have questions about our cookie policy or how we use cookies, please contact us.

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