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What we store on your device, and why.

We use a small number of cookies. Two are essential: without them sign-in and your own cookie choice don’t work. The rest are analytics cookies. In the EU, EEA, UK and Switzerland they are only set if you click Accept all in the banner. Elsewhere, including the US, they are on by default and you can turn them off below at any time. We don’t use third-party advertising or tracking pixels.

Name Category Purpose Lifetime Set by
__Host-session Essential Identifies your signed-in host session. Without this you have to re-authenticate on every page. 30 days, rolling PreArrive (after sign-in)
pa_consent Essential Records your own cookie choice (Accept all / Essential only). Setting it is what makes the banner stop appearing, and it decides whether the analytics cookies below are set. 1 year PreArrive (when you click the banner or a choice button on this page)
pa_ab Analytics Sticky A/B-test bucket (a or b). We compare conversion of marketing-copy variants over time. No identity attached. 1 year PreArrive (only when analytics are on for you, see below)
gp_ref Analytics Captures a campaign-attribution tag (?ref=...) from a referring link so we know which marketing surface drove a sign-up. No identity attached. 90 days PreArrive (only when analytics are on for you AND the URL had ?ref=…)
_ga Analytics Google Analytics 4 visitor id, so repeat visits count as one visitor. Not used for advertising. 2 years Google Analytics (only when analytics are on for you, see below)
_ga_P4DY1C9QSC Analytics Google Analytics 4 session state (which visit you are on). Not used for advertising. 2 years Google Analytics (only when analytics are on for you, see below)

That’s the full list. If you see anything else on a prearrive.com page claiming to be a cookie, it’s either from a sub-processor disclosed in the privacy policy (Stripe checkout sets its own cookies when you click Upgrade, for example) or it’s not us — email hello@prearrive.com and we’ll dig in.

Where you are matters. If you visit from the EU, EEA, UK or Switzerland (or we can’t tell where you are), nothing analytics-related sets a cookie until you click Accept all in the banner. Everywhere else, including the US, analytics are on by default with no banner, and Essential only above turns them off. If your browser sends a Global Privacy Control signal, we treat it as Essential only. Choosing Essential only also deletes the analytics cookies already on your browser and tells the server to stop setting them.

We don’t use third-party advertising tags (no Facebook Pixel, no Google Ads, no TikTok Pixel), so opting out doesn’t cascade across other sites.