Cookie Policy

This page explains what cookies we use on expo.dev, why we use them, and how you can manage your preferences. You can update your cookie preferences at any time using the "Your Privacy Choices" link in the footer.

Last updated: February 2026

Essential cookies

These cookies are required for the website to function and cannot be disabled. They include session management, security tokens, and your cookie consent preferences.

CookieProviderPurposeDuration
io.expo.auth.sessionSecretExpoMaintains your authenticated session6 months
__cf_bm, _cfuvidCloudflareBot management and unique visitor identification for security30 minutes / Session
_stripe_mid, _stripe_sidStripeFraud prevention and payment session management1 year / 30 minutes
sentry-scSentryError tracking and application monitoring5 months
expo-c15tExpoStores your cookie consent preferences1 year
VISITOR_INFO1_LIVE, VISITOR_PRIVACY_METADATA, YSC, PREF, wide, and related cookiesYouTube (Google)Embedded video playback, preferences, and interaction trackingSession / 6 months

Analytics cookies

These cookies help us understand how visitors interact with our website by collecting anonymous usage data. This helps us improve the site experience.

CookieProviderPurposeDuration
_ga, _ga_*GoogleGoogle Analytics 4 — distinguishes unique users and sessions2 years
rl_anonymous_id, rl_group_id, rl_group_trait, rl_page_init_referrer, rl_session, rl_trait, rl_user_idRudderStackBehavioral analytics, product usage tracking, and session management1 year
_ce.clock_data, _ce.s, cebs, cebsp_Crazy EggHeatmaps and session recordings for UX analysis1 year / Session
AMP_*AmplitudeProduct analytics and user behavior tracking1 year

Marketing cookies

These cookies are used to deliver relevant advertisements and measure the effectiveness of our marketing campaigns across platforms.

CookieProviderPurposeDuration
hubspotutk, __hstc, __hssc, __hssrc, __hs_cookie_cat_prefHubSpotVisitor tracking, session management, and form pre-fill for sales and marketing13 months / 30 minutes / Session
_gcl_auGoogleGoogle Ads conversion linker for advertising attribution90 days
bcookie, li_gc, lidcLinkedInLinkedIn ad analytics, consent management, and data center routing1 year / 6 months / 1 day
_rdt_uuidRedditReddit ad analytics and conversion tracking3 months
AMP_MKTG_*AmplitudeMarketing campaign attribution and tracking1 year

Managing your preferences

You can change your cookie preferences at any time by clicking the "Your Privacy Choices" button in the website footer. You can also set the Global Privacy Control (GPC) signal in your browser to automatically opt out of analytics and marketing cookies.