| Strictly Necessary | GFE_RTT | .docs.google.com | Set by Google to measure round-trip time for performance optimization when loading embedded Google Docs content. | Session |
| Strictly Necessary | __cf_bm | hs-analytics.net | Set by Cloudflare to distinguish between humans and bots, supporting bot management and site security. | Session |
| Strictly Necessary | __cfruid | cdnjs.cloudflare.com | Set by Cloudflare to identify trusted web traffic and apply security rules per request. | Session |
| Strictly Necessary | __stripe_mid | stripe.com | Set by Stripe to process payments securely. Stores a device identifier to detect fraud without retaining credit card data. | 1 year |
| Strictly Necessary | __stripe_sid | stripe.com | Set by Stripe to process payments securely. Stores a session identifier without retaining credit card data. | Session |
| Strictly Necessary | _cfuvid | .hubspot.com | Set by Cloudflare to apply rate-limiting rules on a per-client basis, used for bot management. | Session |
| Strictly Necessary | _circle_session | community.schoolai.com | Set by Circle to maintain the user's authenticated session on the community platform. | Session |
| Strictly Necessary | _dd_s | datadoghq.com | Set by Datadog to group Real User Monitoring (RUM) events from a single user session for performance monitoring. | Session |
| Strictly Necessary | cf_#_id | cdnjs.cloudflare.com | Set by Cloudflare to identify trusted web traffic with a unique session-level identifier. | Session |
| Strictly Necessary | cf_clearance | cdnjs.cloudflare.com | Set by Cloudflare to verify the user has successfully passed a security challenge and is not a bot. | 1 year |
| Strictly Necessary | cookies_enabled | community.schoolai.com | Set by the Circle community platform to detect whether the user's browser has cookies enabled. | Session |
| Strictly Necessary | intercom-device-id-# | intercom.com | Set by Intercom to identify the device interacting with the Messenger, enabling access to prior conversations. | 9 months |
| Strictly Necessary | intercom-id-# | intercom.com | Set by Intercom as an anonymous visitor identifier to enable chat widget functionality. | 9 months |
| Strictly Necessary | intercom-session-# | intercom.com | Set by Intercom to maintain the user's chat session. Refreshed on each successful request and expires after one week of inactivity. | 5 days |
| Strictly Necessary | lidc | linkedin.com | Set by LinkedIn to facilitate data center selection for optimal performance. | Session |
| Strictly Necessary | m | m.stripe.com | Set by Stripe for fraud detection and prevention during payment processing. | 1 year |
| Strictly Necessary | sai-ts | app.schoolai.com | Set by SchoolAI to store a session timestamp for application state management. | Session |
| Strictly Necessary | trust-center-public | .trust.schoolai.com | Set by Drata Trust Center to maintain the public session for viewing the trust portal. | Session |
| Analytics | AnalyticsSyncHistory | linkedin.com | Set by LinkedIn to store the timestamp of the last sync with the lms_analytics cookie for analytics. | 4 weeks |
| Analytics | CLID | www.clarity.ms | Set by Microsoft Clarity as a persistent user identifier for session replay and heatmap analytics. | 1 year |
| Analytics | MR | bing.com | Set by Microsoft/Bing to measure website usage for internal analytics. | 5 days |
| Analytics | OTZ | www.google-analytics.com | Set by Google Analytics to provide an aggregate analysis of website visitors and track campaign performance. | 4 weeks |
| Analytics | QueryString | .schoolai.com | Set via Google Tag Manager to store URL query string parameters for campaign attribution tracking. | 4 weeks |
| Analytics | SM | bing.com | Set by Microsoft/Bing to measure website usage for internal analytics. | Session |
| Analytics | __hssc | hs-analytics.net | Set by HubSpot to track sessions and determine if a new session has started, used for website analytics. | Session |
| Analytics | __hssrc | hs-analytics.net | Set by HubSpot to determine if the user has restarted their browser, used for session tracking in analytics. | Session |
| Analytics | __hstc | hs-analytics.net | Set by HubSpot as the main cookie for tracking visitors. Contains the domain, initial timestamp, last timestamp, current timestamp, and session number. | 6 months |
| Analytics | _clck | clarity.ms | Set by Microsoft Clarity to persist the Clarity User ID and user preferences across sessions. | 1 year |
| Analytics | _clsk | clarity.ms | Set by Microsoft Clarity to connect multiple page views by a user into a single session recording. | Session |
| Analytics | _ga | www.google-analytics.com | Set by Google Analytics to distinguish unique users by assigning a randomly generated client identifier. | 1 year |
| Analytics | _ga_# | www.google-analytics.com | Set by Google Analytics (GA4) to persist session state and track user sessions across pages. | 1 year |
| Analytics | ahoy_visit | community.schoolai.com | Set by Ahoy (Circle community) to track the current visit session for analytics. | Session |
| Analytics | ahoy_visitor | community.schoolai.com | Set by Ahoy (Circle community) to assign a persistent unique visitor identifier for analytics. | 1 year |
| Analytics | analytics_session_id | segment.com | Set by Segment to track the current analytics session with a unique session identifier. | 1 week |
| Analytics | analytics_session_id.last_access | segment.com | Set by Segment to record the last access timestamp within the current analytics session. | 1 week |
| Analytics | dmn_chk_# | app.posthog.com | Set by PostHog during initialization to determine the most appropriate cookie domain to use. | Session |
| Analytics | hs_ab_test | hs-analytics.net | Used by HubSpot to consistently serve visitors the same version of an A/B test page they have previously seen. | Not set |
| Analytics | hubspotutk | hs-analytics.net | Set by HubSpot to track a visitor's identity. Sent to HubSpot on form submission and used to de-duplicate contacts. | 6 months |
| Analytics | messagesUtk | .schoolai.com | Set by HubSpot to track a visitor across chat conversations and tie messages to a CRM contact record. | 6 months |
| Analytics | ph_#_posthog | app.posthog.com | Set by PostHog to identify the user and track product analytics events across sessions. | 1 year |
| Analytics | rl_anonymous_id | .schoolai.com | Set by RudderStack to assign an anonymous user identifier for analytics tracking before login. | 1 year |
| Analytics | rl_page_init_referrer | cvent.com | Set by RudderStack to store the initial referring page URL for session attribution and analytics. | 1 year |
| Analytics | rl_session | .schoolai.com | Set by RudderStack to track the current user session for analytics event grouping. | 1 year |
| Analytics | sbjs_current | sbjs.rocks | Set by Sourcebuster to store the traffic source parameters for the current visit. | 6 months |
| Analytics | sbjs_current_add | sbjs.rocks | Set by Sourcebuster to store additional traffic source parameters for the current visit. | 6 months |
| Analytics | sbjs_first | sbjs.rocks | Set by Sourcebuster to store the traffic source parameters from the user's very first visit to the site. | 6 months |
| Analytics | sbjs_first_add | sbjs.rocks | Set by Sourcebuster to store additional parameters from the user's very first visit to the site. | 6 months |
| Analytics | sbjs_migrations | sbjs.rocks | Set by Sourcebuster to manage version migrations of traffic source tracking data. | 6 months |
| Analytics | sbjs_session | sbjs.rocks | Set by Sourcebuster to store traffic source data for the current browsing session. | Session |
| Analytics | sbjs_udata | sbjs.rocks | Set by Sourcebuster to store user-level data such as visit count and pages viewed. | 6 months |
| Analytics | signals-sdk-session-id | .schoolai.com | Set by Common Room Signals to assign a session identifier for grouping visitor activity. | Session |
| Analytics | signals-sdk-user-id | .schoolai.com | Set by Common Room Signals to assign a persistent user identifier for website visitor analytics. | 1 year |
| Preferences | browser_time_zone | community.schoolai.com | Set by the Circle community platform to store the user's browser timezone for displaying localized times. | 1 year |
| Preferences | locale_bar_accepted | facebook.net | Stores whether the user has dismissed or accepted the Facebook locale bar prompt. | Session |
| Marketing | 1P_JAR | googleads.g.doubleclick.net | Set by Google to gather website statistics and track conversion rates for Google ad campaigns. | 1 month |
| Marketing | ACLK_DATA | googleads.g.doubleclick.net | Set by Google Ads to store ad-click attribution data for conversion tracking. | Session |
| Marketing | AID | googleads.g.doubleclick.net | Set by Google to link user activity across devices for coordinated ad targeting when signed in to a Google account. | 1 year |
| Marketing | ANID | googleads.g.doubleclick.net | Set by Google to store a unique advertising identifier for serving personalized ads across Google services. | 1 year |
| Marketing | ANONCHK | bing.com | Set by Microsoft Clarity/Bing to store a unique user identifier for ad tracking and analytics. | Session |
| Marketing | APC | googleads.g.doubleclick.net | Set by Google to store ad personalization consent and preference signals. | 6 months |
| Marketing | Conversion | googleads.g.doubleclick.net | Set by Google Ads to track when a user completes a conversion action after clicking an ad. | Session |
| Marketing | DSID | googleads.g.doubleclick.net | Set by Google DoubleClick to store user ad-serving preferences and limit the frequency of ad display. | 2 weeks |
| Marketing | FLC | googleads.g.doubleclick.net | Set by Google DoubleClick Floodlight to track and attribute conversions from ad campaigns. | Session |
| Marketing | FPAU | googleads.g.doubleclick.net | Set by Google Ads as a first-party cookie to store ad-click information for conversion measurement. | 3 months |
| Marketing | FPGCLAW | googleads.g.doubleclick.net | Set by Google Ads as a first-party cookie for storing Google Ads click identifiers (GCLID). | 3 months |
| Marketing | FPGCLDC | googleads.g.doubleclick.net | Set by Google Ads (Display & Video 360) as a first-party cookie for display ad click attribution. | 3 months |
| Marketing | FPGCLGB | googleads.g.doubleclick.net | Set by Google Ads as a first-party cookie for storing Google Ads click identifiers (GBRAID). | 3 months |
| Marketing | GED_PLAYLIST_ACTIVITY | googleads.g.doubleclick.net | Set by Google to track YouTube video engagement for advertising measurement. | Session |
| Marketing | IDE | googleads.g.doubleclick.net | Set by Google DoubleClick to serve targeted advertisements based on user browsing behavior across websites. | 1 year |
| Marketing | MUID | bing.com | Set by Microsoft/Bing as a unique user identifier for ad targeting and tracking across Microsoft domains. | 1 year |
| Marketing | NID | googleads.g.doubleclick.net | Set by Google to store user preferences and personalize ads on Google properties. | 6 months |
| Marketing | RUL | googleads.g.doubleclick.net | Set by Google DoubleClick to determine if the user has been shown a particular ad, used for retargeting. | 1 year |
| Marketing | SRM_B | bing.com | Set by Microsoft/Bing to ensure proper functioning of the website and collect data for advertising purposes. | 1 year |
| Marketing | TAID | googleads.g.doubleclick.net | Set by Google to link advertising identifiers across devices for cross-device ad targeting. | 2 weeks |
| Marketing | UserMatchHistory | linkedin.com | Set by LinkedIn to sync advertising identifiers across ad exchange partners. | 4 weeks |
| Marketing | VISITOR_INFO1_LIVE | googleads.g.doubleclick.net | Set by YouTube (Google) to estimate user bandwidth and serve appropriate video quality. | 6 months |
| Marketing | VISITOR_INFO1_LIVE__default | googleads.g.doubleclick.net | Set by YouTube (Google) as a default variant of the VISITOR_INFO1_LIVE cookie for video serving. | 6 months |
| Marketing | VISITOR_INFO1_LIVE__k | googleads.g.doubleclick.net | Set by YouTube (Google) as a variant of the VISITOR_INFO1_LIVE cookie for video serving. | 6 months |
| Marketing | YSC | googleads.g.doubleclick.net | Set by YouTube (Google) to track views of embedded YouTube videos on the website. | Session |
| Marketing | __ar_v4 | googleads.g.doubleclick.net | Set by Google DoubleClick to track advertising revenue attribution and optimize ad performance. | Session |
| Marketing | __gads | googleads.g.doubleclick.net | Set by Google to measure interactions with ads and prevent the same ads from being shown too many times. | 2 years |
| Marketing | __gpi | googleads.g.doubleclick.net | Set by Google to store a Google Publisher Identifier used for ad targeting and measurement. | 1 year |
| Marketing | __gpi_optout | googleads.g.doubleclick.net | Set by Google to store the user's opt-out preference for Google Publisher ads. | 1 year |
| Marketing | __gsas | googleads.g.doubleclick.net | Set by Google to manage ad serving and frequency capping for Google Ad Manager. | 2 years |
| Marketing | __q_state_* | clickcease.com | Set by ClickCease/Qualified to store visitor attributes for ad fraud detection and click quality analysis. | 1 year |
| Marketing | __q_state_7tuKTrPjYwWhAryc | .schoolai.com | Set by Qualified to store visitor identification attributes for live chat and visitor intelligence. | 1 year |
| Marketing | _fbp | facebook.net | Set by Meta Pixel to deliver targeted advertisements and track ad performance across websites. | 3 months |
| Marketing | _gac_gb_# | googleads.g.doubleclick.net | Set by Google Ads to store campaign-level information associated with GBRAID click identifiers. | 3 months |
| Marketing | _gcl_au | googleads.g.doubleclick.net | Set by Google Ads to store and track conversions, linking ad clicks to website actions. | 3 months |
| Marketing | _gcl_aw | googleads.g.doubleclick.net | Set by Google Ads to store the GCLID click identifier from paid search campaigns for conversion tracking. | 3 months |
| Marketing | _gcl_dc | googleads.g.doubleclick.net | Set by Google Ads (Display & Video 360) to store click information from display ad campaigns. | 3 months |
| Marketing | _gcl_gb | googleads.g.doubleclick.net | Set by Google Ads to store the GBRAID click identifier for mobile attribution tracking. | 3 months |
| Marketing | _rdt_uuid | reddit.com | Set by the Reddit Pixel to attribute website conversions back to Reddit ad campaigns. | 3 months |
| Marketing | aboutads_sessNNN | googleads.g.doubleclick.net | Set by Google to support the Digital Advertising Alliance opt-out mechanism for interest-based advertising. | Session |
| Marketing | bcookie | bing.com | Set by LinkedIn (via Bing) as a browser identifier for sharing content and ad targeting. | 1 year |
| Marketing | bscookie | linkedin.com | Set by LinkedIn to identify a logged-in user verified by two-factor authentication. | 1 year |
| Marketing | id | googleads.g.doubleclick.net | Set by Google DoubleClick for syncing advertising identifiers with partner ad networks. | 1 year |
| Marketing | li_sugr | linkedin.com | Set by LinkedIn to make a probabilistic match of a user's identity for ad targeting outside designated countries. | 3 months |
| Marketing | pm_sess | googleads.g.doubleclick.net | Set by Google for ad-serving partner matching, used to facilitate third-party ad exchange integrations. | Session |
| Marketing | pm_sess_NNN | googleads.g.doubleclick.net | Set by Google for ad-serving partner matching with specific ad network partners. | Session |
| Marketing | test_cookie | googleads.g.doubleclick.net | Set by Google DoubleClick to check whether the user's browser supports cookies. | Session |
| Marketing | test_cookie | www.google-analytics.com | Set by Google Analytics to check whether the user's browser supports cookies. | Session |