_ga: Registers a unique ID that is used to generate statistical data on how the visitor uses the website (2 years)
_gat: Used by Google Analytics to throttle request rate (1 minute)
_gid: Registers a unique ID that is used to generate statistical data (24 hours)
__hstc: The main cookie for tracking visitors. It contains the domain, utk, initial timestamp (first visit), last timestamp (last visit), current timestamp (this visit), and session number (increments for each subsequent session). (13 months)
hubspotutk: This cookie is used to keep track of a visitor's identity. This cookie is passed to HubSpot on form submission and used when deduplicating contacts. (13 months)
__hssc: This cookie keeps track of sessions. This is used to determine if HubSpot should increment the session number and timestamps in the __hstc cookie. It contains the domain, viewCount (increments each pageView in a session), and session start timestamp. (30 min)
__hssrc: Whenever HubSpot changes the session cookie, this cookie is also set to determine if the visitor has restarted their browser. If this cookie does not exist when HubSpot manages cookies, it is considered a new session.(end of session)
UserMatchHistory: Syncing LinkedIn Ads IDs (30 days)
li_sugr: Stores browser identity (3 months)
li-oatml: For conversion tracking, retargeting, analytics (1 month)
li_fat_id: Conversion tracking, retargeting, analytics (1 month)
U: Stores browser identity (3 months)