ph_*
Used to store a unique identifier for the user and session information, enabling tracking of user interactions and survey responses across sessions. • 2 years
_ph_opt_out
Stores user's opt-out preference for PostHog tracking. • 1 year
ph_*:_posthog
Used to uniquely identify a user and persist their session state across visits and pages for analytics and session recording purposes. The * represents a project ID. • 1 year
__ph_opt_out
Set if the user has opted out of PostHog tracking. • 1 year
ph_distinct_id
Used by PostHog to identify a unique user across sessions and devices. • 1 year
ph_session_id
Used by PostHog to identify the current user session. • 30 minutes
ph_*_distinct_id
Stores a unique identifier for the user across sessions and projects. • 1 year
ph_*_session_id
Used to track individual user sessions, allowing for analysis of user journeys within a single visit. • 30 minutes
ph_*:sessionid
Stores a unique ID for the user's current session for session replay and analytics. • 1 day
ph_*:distinct_id
Identifies a unique user across sessions for analytics purposes. • 1 year
_ph_sess
Used to identify the current user session. • 30 minutes
_ph_id
Used to uniquely identify a user across sessions. • 1 year
ph_console_log
Used for debugging purposes, storing console log messages. • Session
ph_survey_id
Used to track if a user has seen or completed a survey. • 1 year
ph_*:_posthog_cookie
Used by PostHog to store information about the user's current session and identify repeat visitors. • 1 year
ph_*:_posthog_session_id
Used by PostHog to track a user's session and associate survey responses with their activity. • 1 day
ph_*:_posthog_props
Used by PostHog to store user properties. • 1 year
ph_phc_*
Used to identify unique users and track their sessions for analytics and survey targeting. • 1 year
ph_session_*
Used to identify a user's session. • 30 minutes
ph_*:posthog_phc_*
Used by PostHog for session recording to identify unique users and sessions. The exact name may vary but typically includes 'phc_'. • 1 year
ph_*:posthog_session_id
Used by PostHog to identify the current user session for session recording. • Session
ph_posthog_distinct_id
Stores a distinct ID for the user, helping PostHog identify unique users. • 1 year
ph_posthog_session_id
Used to store a unique identifier for the current session. • 30 minutes
ph_posthog_persist
Used to persist user information and settings. • 1 year
ph_current_url
Used by PostHog to store the current URL of the page for session continuity and tracking. • Session
ph_next_url
Used to store the next URL in the user's journey, often for multi-page funnels or redirects. • Session
ph_persisted_properties
Stores various user properties that persist across sessions, such as device information or initial referrer. • 1 year
ph_sessionId
Used to identify the current user session. • 30 minutes of inactivity
ph_survey_seen_*
Potentially used by PostHog to track which surveys a user has seen or completed to prevent repeated display of the same survey. • Custom, typically short-term
ph_opt_out
Indicates if a user has opted out of PostHog tracking. • 1 year
ph_permanent_session_id
Identifies a user's permanent session for longer-term tracking. • 2 years
ph_*: distinct_id
Identifies a unique user across sessions for analytics and survey targeting. • 1 year
ph_*: session
Tracks user session activity for analytics and survey display logic. • 30 minutes
ph_survey_id_*
Records which surveys a user has been shown or interacted with to manage display frequency and avoid repetition. • 1 year
ph_survey_shown_*
Stores whether a specific survey has been shown to a user to prevent repeated displays. • 1 year
__ph_opt_in_out
Stores a user's preference regarding tracking opt-in or opt-out. • 1 year
ph_persistent_session_id
Used to uniquely identify a user across sessions for persistent tracking. • 1 year
ph_survey_*
Used to track the state of displayed surveys and user interaction with them. • Session or short-term
ph_referral
Stores referral information about how the user arrived at the site. • 6 months
ph_current_session
Tracks the current user session on the website. • 30 minutes
ph_persistent_id
A unique identifier for the user, persistent across sessions. • 1 year
ph_token
Used to identify the project/team the data belongs to. • 1 year
ph_current_session_id
Used to track the user's current session. • 30 minutes
ph_*:sessionId
Stores the session ID for a specific PostHog project. • 30 minutes
ph_*:posthog_survey_*
Stores the state of a specific survey for a user (e.g., seen, dismissed, completed) to manage survey display and avoid repetition. • 1 year
ph_phc_session_id
Unique identifier for a user's session in PostHog. • 30 minutes
ph_console_tabs
Used by PostHog for internal console debugging purposes. • Session
ph_current_team_id
Used by PostHog for internal console debugging purposes, related to the current team context. • Session
ph_*_posthog
Used by PostHog to store a distinct ID for the user across sessions, enabling user identification. • 1 year
ph_*_posthog_session
Used by PostHog to identify and track a user's current session. • 30 minutes
ph_next_id
Temporary ID used during initial user identification. • 1 year
ph_*:session_id
Tracks a single user session for analytics purposes, typically expiring after 30 minutes of inactivity. • 30 minutes (after inactivity)
ph_*:_phc_is_returning
Indicates if the user is a returning visitor to the site, used for analytics. • 1 year
ph_phc_posthog
Used by PostHog to identify a user across sessions and track their activity. • 1 year
ph_temporary_token
A temporary token used for anonymous tracking before a distinct ID is assigned. • 1 day
ph_survey_answer_in_progress_*
May store partial answers or survey progress for a specific survey to allow users to resume or prevent re-asking questions within the same session. • Session
ph_p_*
Used to store a unique identifier for the user's project and to track user sessions for analytics. • 1 year
ph_opt_out_*
Stores the user's opt-out preference for tracking within a specific project. • 1 year
ph_has_cookie_opt_out
Records if a user has opted out of cookie tracking. • Permanent
ph_uuid
Identifies a unique user across sessions. • 1 year
ph_*:_session_id
Used to identify a user's session for replay and analytics purposes, linking multiple page views within a single user visit. The asterisk denotes a project-specific ID. • 30 minutes
ph_*:_posthog_distinct_id
Identifies a unique user across sessions. The asterisk denotes a project-specific ID. • 1 year
ph_*:*
Used to store user distinct IDs and session information for tracking user behavior across sessions. • 1 year
ph_conversation_id
Used to track live chat conversations, if enabled. • 1 day
_posthog_cookie_check
Used to verify if cookies can be set and accessed by PostHog. • Session
ph_*_posthog_props
Stores user properties and attributes associated with their activity for analytics. • 1 year
ph_last_event
Records the timestamp of the last event sent by the user. • 10 minutes
ph_campaign_id
Tracks the marketing campaign that led to the user's visit. • 7 days
ph_timestamp
Stores the last timestamp of a user's activity to determine session duration and expiry. • 30 minutes
ph_*:_posthog_id
Used by PostHog to identify unique users across sessions and tie survey responses to a persistent user profile. • 1 year
ph_persistent
Used by PostHog to store a unique identifier for a user over longer periods. • 1 year
ph_*: A cookie used by PostHog to store information about the user, including a distinct ID, session ID, and feature flags. This cookie name often includes a project-specific hash.
Used to identify unique users, track sessions, and store various properties for analytics and session recording. • 1 year or until user clears
ph_temporary_id
A temporary identifier used before a more permanent distinct ID is established. • Short-lived (session-based)
ph_distinct_id_*
Used to uniquely identify a user across sessions for analytics and session recording. • 1 year
ph_sessionid_*
Used to group a series of user actions into a single session. • 30 minutes (rolling)
ph_sid
Stores a unique ID for the current browsing session. • 30 minutes
_ph_sessionId
Used to identify a unique user session for recording purposes. • 30 minutes
ph_ph_*
Used to store a distinct ID for the user across sessions, enabling persistent user identification and tracking. • 1 year
ph_next_session_id
Used to store the next session ID. • never
ph_phc_distinct_id
Used by PostHog to identify a unique user across sessions and track their activity. • 1 year
phc_ph_*
Project-specific cookies used by PostHog for various analytics and session management purposes. • Varies (often 1 year)
ph_permanent_id
Used to uniquely identify a returning user across sessions. • Persistent (typically 2 years)
ph_*.posthog
Used by PostHog to store a distinct ID for the user across sessions, enabling persistent user identification. • 1 year
ph_*.ph_session_id
Used by PostHog to identify a unique session for a user, grouping related events and activities. • 30 minutes (or end of session)
ph_phc_is_returning
Indicates if the user is a returning visitor. • 1 year
_ph_session_id
Tracks a single user session for analytics. • 30 minutes
ph_persistent_distinct_id
Used to identify unique users across sessions. • 1 year
ph_expiration
Stores the expiration time for the distinct ID. • 1 year
ph_experiment_*
Used to track a user's participation in A/B tests and store experiment variations. • 2 years
ph_last_event_time
Records the timestamp of the last event sent, used to determine session inactivity. • 1 year
ph_*, ph_*: A unique identifier used by PostHog to track individual users and their sessions, allowing survey responses to be associated with specific user profiles.
A unique identifier for a user or session, used by PostHog to track and associate survey responses with a specific user profile and session. • 1 year
ph_id
Used to identify a unique user for analytics and survey targeting across sessions. • 1 year
ph_phc_session
Used to maintain a user's session and track user activity within a single session. • 1 day
ph_phc_anon_id
Used to identify anonymous users across sessions for consistent tracking. • 1 year
ph_phc_id
Used to identify known, authenticated users across sessions. • 1 year
ph_survey_answer_*
Stores user answers for a survey temporarily before submission. • Session
ph_ph_session_id
Identifies a user's session for analytics and survey consistency. • 30 minutes
