CookieTypeDurationDescription
_ga2 yearsRegisters a unique ID that is used to generate statistical data on how the visitor uses the website. https://developers.google.com/analytics/devguides/collection/analyticsjs/cookie-usage
_gatHTTP1 minuteUsed by Google Analytics to throttle request rate https://developers.google.com/analytics/devguides/collection/analyticsjs/cookie-usage
_gidHTTP24 hoursRegisters a unique ID that is used to generate statistical data on how the visitor uses the website. https://developers.google.com/analytics/devguides/collection/analyticsjs/cookie-usage
collect (google-analytics.com)PixelSessionUsed to send data to Google Analytics about the visitor's device and behaviour. Tracks the visitor across d evices and marketing channels.
GPS (youtube.com)third partyRegisters a unique ID on mobile devices to enable tracking based on geographical GPS location.
PHPSESSIDsession Preserves user session state across page requests
VISITOR_INFO1_LIVE (youtube.com)179 daysTries to estimate the users' bandwidth on pages with integrated YouTube videos
YSC (youtube.com)Session Registers a unique ID to keep statistics of what videos from YouTube the user has seen.