_gh_sess
Manages user session data for maintaining state across page views. • Session
logged_in
Indicates if a user is currently logged into GitHub. • 1 year
dotcom_user
Stores the username of the logged-in user for display and personalization. • 1 year
user_session
Maintains user session state across page requests, crucial for authentication and personalized content. • Session
__Host-user_session_same_site
Used to maintain a user's authenticated session on GitHub properties with SameSite attribute for enhanced security. • Session
_octo
Used by GitHub for session management and to identify unique visitors. • 1 year
gh_mktg_engagement
Tracks user interaction and engagement with marketing content displayed in the header. • 30 minutes
gh_mktg_abtest_id
Stores the identifier for the A/B test variant displayed in the header to ensure consistent experience. • 1 day
_device_id
Used for identifying devices to help prevent abuse and ensure platform security. • 1 year
__Host-gh_session
Authentication and session management for GitHub services, potentially used when interacting with embedded GitHub features that require user context. • session
gh_high_contrast
Stores the user's preference for the high-contrast display mode. • 1 year
cookie_consent_preferences
Stores the user's cookie consent choices and preferences. • 1 year
_gh_client_id
An anonymous identifier used to track interactions with embedded GitHub features on the host site for basic analytics or debugging purposes. • 1 year
_gh_session
Potentially used to maintain session state for GitHub-related services if a user is logged into GitHub and interacting with embedded content. • Session
_gh_*
Potentially used for maintaining session state or tracking related to GitHub's services when embedded on third-party sites. • Session or short-term
preferred_color_mode
Stores the user's preference for light or dark mode. • 1 year
tz
Stores the user's timezone preference for displaying accurate timestamps. • 1 year
gh_contrast_mode
Stores the user's preference for high-contrast mode to ensure consistent display across sessions. • 1 year
gh_cookie_consent
Records the user's consent preferences for cookies, particularly those related to functional settings. • 1 year
_gh_session_*
A hypothetical cookie used by GitHub services for session management if a user authenticates through an embedded GitHub feature or widget. • Session
_gh_sess_*
Used for maintaining user session state on GitHub-related integrations. The wildcard indicates a dynamic session ID. • Session
__Host-user_session_*
Used to maintain user specific session information. • Varies
_client_session
Potentially stores session-related information for client-side interactions, such as form tokens or user preferences across page views. • Session
_user_interaction_state
May store temporary state related to user interactions, like expanded sections or last viewed element. • 30 minutes
_gh_embed_session
Stores a session identifier for interactions with embedded GitHub content. • Session
_gh_embed_prefs
Stores user preferences related to GitHub embedded content (e.g., theme, collapse state). • 1 year
_gh_bi_session
Tracks user session for internal analytics purposes. • Session
_gh_bi_user
Identifies unique users for aggregated internal analytics. • 1 year
_ga
Used by Google Analytics to distinguish users. • 2 years
_ga_*
Used by Google Analytics to persist session state for a specific container. • 2 years
_gh_pb_session
Stores a session identifier related to the script's functional execution or performance monitoring activities. • Session
_gh_pb_perf
Used to store temporary performance metrics for analysis before transmission to the provider. • 1 day
_gh_hc_pref
Stores the user's preference for enabling or disabling high-contrast mode for improved accessibility. • 1 year
color_mode
Stores the user's preferred theme (light/dark) for the UI, ensuring a consistent visual experience across sessions. • 1 year
_gh_bi_sid
Used to identify unique sessions and track user activity within a single visit. • 30 minutes
_gh_bi_uid
Used to identify unique users across multiple sessions and track their long-term behavior. • 2 years
_gh_bi_pv
Records the number of page views during a session. • Session
_gh_mkt_dismissed_*
Used to remember if a user has dismissed a specific marketing banner or message, preventing it from reappearing. • 1 year
_gh_mkt_variant
Used to store the variant of a marketing header shown to a user for A/B testing purposes. • 30 days
_preferred_language
Stores the user's preferred language setting on GitHub. • 6 months
_github_app_banner_dismissed
Used to remember if the user has dismissed the app install banner to prevent repetitive prompts. • 1 year
_gh_device_id
Used for identifying the user's device for security purposes and preventing abuse. • 1 year
_gh_csrf_token
A security token to protect against cross-site request forgery (CSRF) attacks. • Session
_gh_csrf
Protects against Cross-Site Request Forgery attacks. • Session
_gh_pd_id
An anonymous identifier used to track interactions with GitHub's embedded content for performance and usage analytics. • 1 year
sessionid
Maintains user login state and session information. • Session
csrftoken
Protects against Cross-Site Request Forgery (CSRF) attacks. • 1 year
_gh_marketing_session
Used to track a user's session in relation to marketing content displayed in the header. • Session
_gh_promo_views_*
Potentially used to track views or interactions with specific promotional messages for A/B testing or frequency capping. The asterisk denotes a dynamic identifier. • 30 days
_ui_prefs
Stores user interface preferences for display elements to customize the browsing experience. • 1 year
gh_embed_*
Used by embedded GitHub components to maintain session state or specific user preferences within the embedded content. • Session
gh_high_contrast_mode
Stores the user's preference for enabling or disabling high contrast display mode. • 1 year
_octo_*
Could be used for authentication or tracking user interaction with GitHub-related features and services. • 1 year
high_contrast_mode_pref
Stores the user's preference for high contrast display mode. • 1 year
gh_embed_session
Manages user session state for embedded GitHub components. • Session
gh_embed_id
Stores a unique identifier for users interacting with embedded GitHub components. • 1 year
_gh_mh_dismissed
Stores a flag indicating if a user has dismissed the marketing header or a specific announcement. • 30 days
_gh_mh_impression_count
Tracks the number of times the marketing header has been viewed by a user for internal analytics. • 1 day
_gh_embed_analytics_*
Used for anonymous analytics to track the usage and performance of embedded GitHub features on third-party sites. • 1 year
_hc_preference
Stores the user's preference for high-contrast mode. • 1 year
_mhc_session
Used to track a user's session for consistent marketing header content or A/B test variations. • Session
_mhc_campaign_id
Stores the ID of a marketing campaign the user was exposed to via the header, primarily for attribution and analysis. • 30 days
_gh_embed_csrf
CSRF token for secure form submissions within embedded content. • Session
_gh_widget_prefs
Stores user preferences for embedded GitHub widgets or components. • 1 year
github_high_contrast_mode
Stores the user's preference for high contrast display mode on GitHub. • 1 year
_gh_yga_id
Uniquely identifies users across sessions for analytics purposes. • 2 years
_gh_yga_session
Tracks user sessions to group related activities. • 30 minutes
_gh_yga_referrer
Stores the referrer information for attribution. • 6 months
__session
Used to maintain a user's session state within the application. • Session
__pref
Stores user preferences for the application's interface or behavior. • 1 year
_gh_sm_id
Used to identify users interacting with GitHub social media widgets. • 1 year
_gh_promo_seen
Records if a specific promotional header or message has been displayed to the user. • Session
_gh_embed_sess
Manages session state for embedded GitHub components, potentially remembering user interactions or preferences within the embedded content. • Session
gh_client_id
A hypothetical cookie used for unique client identification when interacting with embedded GitHub components, facilitating functional features. • 1 year
_gh_consent
Stores the user's expressed cookie consent preferences for GitHub properties, detailing choices for various cookie categories. • 1 year
__Host-user_session_same_site.*
Secure, same-site user session cookie used for maintaining login state for GitHub services. • 1 year
_mh_session
Stores session information related to marketing header interactions (e.g., banner dismissals, A/B test groups). • Session
_mh_uid
Anonymously identifies a user for consistent marketing header experiences across visits. • 30 days
_gh_user_id
Stores a unique identifier for the user's GitHub account for personalized experiences or feature interactions. • 1 year
_gh_live_session
Used to maintain session state and preferences for real-time features. • Session
_gh_integr_sess
Maintains session state for specific GitHub integrations on the host website. • Session
_gh_integr_ref
Records referral information for GitHub-related embedded content. • 30 minutes
_gh_high_contrast_mode
Stores the user's preference for high-contrast display mode. • Session or longer (persistent) depends on implementation
gh_client_id_*
Identifies the client browser for specific GitHub feature interactions, potentially for tracking usage of the embedded component or maintaining temporary state. • 1 day
_gh_user_consent
Stores the user's consent preferences for data processing categories. • 1 year
_gh_consent_session
Temporary cookie to manage the consent UI state during a session. • Session
_mlz_session
Used to maintain session state for analytics purposes. • 30 minutes
_mlz_id
Used to uniquely identify users across sessions. • 1 year
_gh_tid
A tracking ID used for GitHub's internal analytics. • 1 year
_gh_hsm
May be used for marketing tracking and analytics related to interactions with GitHub's embedded marketing content. • 1 year
_gh_auth_session
Used to maintain a user's authenticated session with GitHub services, if integrated by the host website. • Session
_gh_last_visit
Records the timestamp of the user's last visit to enable personalized content or features provided by GitHub utilities. • 1 year
codespaces_session_id
Manages the session for the Codespaces environment, linking the browser session to the cloud development instance. • Session
_gh_sid
Used to identify unique user sessions for analytics and performance monitoring. • 30 minutes
_gh_d
Used to distinguish individual users for analytics purposes. • 1 year
