Ontos Admissions Insight
Cookie
Policy
Cookie/Tracking Technology
Provider
Purpose
Duration
First- or Third-Party
__session
Clerk
Maintains authenticated user sessions. This short-lived token is automatically refreshed while the user remains signed in.
Approximately 60 seconds, automatically refreshed
First-Party
__client
Clerk
Maintains the browser's authenticated client session and supports account security.
Varies based on session and browser settings
Third-Party
__client_uat
Clerk
Records when the authenticated client session was last updated and helps Clerk validate session state.
Varies based on session settings
First-Party
Temporary __clerk_* cookies, including __clerk_handshake
Clerk
Supports temporary authentication operations, redirects, and browser handshake validation.
Temporary or session-based
First- and/or Third-Party
_cfuvid on Clerk services
Cloudflare / Clerk
Helps distinguish users who share an IP address for rate-limiting and security purposes.
Session
Third-Party
__cf_bm
Cloudflare
Provides bot detection and protects the Services from malicious traffic.
Approximately 30 minutes after the last activity
First-Party
cf_clearance and temporary cf_chl_* cookies
Cloudflare
Records successful completion of a Cloudflare security challenge and supports the challenge process. These cookies are set only when a challenge is presented.
Varies according to the configured challenge duration; temporary challenge cookies expire sooner
First-Party
ontos_cookie_analytics cookie
Ontos
Stores the user's analytics preference so the Services can honor an opt-out selection.
1 year
First-Party
ontos_cookie_analytics browser storage
Ontos
Stores the same analytics preference in the browser's local storage.
Until cleared or changed by the user
First-Party
player_clearance, cf_clearance, _cf_bm, and _cfuvid
Vimeo / Cloudflare
Supports secure playback of embedded Vimeo videos. Vimeo's Do Not Track mode is enabled, limiting Vimeo storage to technologies needed for security and player operation.
From approximately 30 minutes to 1 year, depending on the technology
Third-Party
Signup, legal acceptance, organization confirmation, and redirect-control session storage
Ontos
Temporarily maintains signup progress, legal-document acceptance state, organization routing, and redirect-loop protection.
Browser session
First-Party
Cookie/Tracking Technology
Provider
Purpose
Duration
First- or Third-Party
ontos_view_as_student cookie and ontos.viewAsStudent browser storage
Ontos
Remembers the selected student when an authorized user uses the "view as student" feature.
Cookie: 24 hours; browser storage: until cleared or the feature is exited
First-Party
ontos_view_as_staff cookie and ontos.viewAsStaff browser storage
Ontos
Remembers the selected staff member when an authorized user uses the "view as staff" feature.
Cookie: 24 hours; browser storage: until cleared or the feature is exited
First-Party
ontos.currentUserId
Ontos
Remembers the selected user context within staff or administrative interfaces.
Until cleared or changed
First-Party
ontos.moduleGateProgress.v1:*
Ontos
Remembers curriculum and video progress used to determine whether module content has been viewed or completed.
Until cleared or reset
First-Party
ontos.essenceNuggetProgress:*
Ontos
Remembers which supplemental learning items have been opened.
Until cleared or reset
First-Party
ontos.skipability.schools, ontos.skipability.hasSeenFlow, and ontos.skipability.unit3Decision
Ontos
Remembers school-related selections and whether certain optional curriculum flows have been completed or skipped.
Until cleared or reset
First-Party
cf_clearance and temporary cf_chl_* cookies
Ontos
Records successful completion of a Cloudflare security challenge and supports the challenge process. These cookies are set only when a challenge is presented.
Varies according to the configured challenge duration; temporary challenge cookies expire sooner
First-Party
ontos.essayHubPreferences:<student>
Ontos
Remembers Essay Hub display preferences, such as sorting, visibility, and expanded or collapsed sections.
Until cleared or reset
First-Party
ontos.moreFeedbackRequests:<path>:<scope>
Ontos
Remembers the number of additional-feedback requests made for a particular item or area.
Until cleared or reset
First-Party
ontos.profilePicture
Ontos
Temporarily caches the user's profile-picture URL to improve navigation and display consistency.
Browser session
First-Party
Cookie/Tracking Technology
Provider
Purpose
Duration
First- or Third-Party
ontos.analytics.session
Ontos
Assigns a temporary identifier to the current browser tab and records session timing for login, session, and page-view analytics.
Browser-tab session
First-Party
ontos.analytics.parent_portal_view:*
Ontos
Prevents the same parent-portal view from being counted repeatedly during one browser session.
Browser session
First-Party
ontos.analytics.staff_student_view:*
Ontos
Prevents the same staff student-view event from being counted repeatedly during one browser session.
Browser session
First-Party
First-party analytics event requests
Ontos
Sends page-view, login, session, and portal-usage events to Ontos's own analytics API. These requests do not create an additional analytics cookie.
No additional browser persistence
First-Party
Browser diagnostic logging
Better Stack / Ontos
Records browser errors, failed API requests, page paths, user-agent information, and related diagnostic metadata to help identify and resolve technical problems. The current integration does not create a browser cookie or local-storage entry.
No browser persistence
Third-Party service