Supports Google Analytics functionality for tracking sessions and user behavior.
Tracks the current source of the user's entry to the website (e.g., from a search engine, direct).
Completes data with the time and page of the user's entry.
Records the first source of the user's entry to the website.
Additional information about the first entry, including URL and referrer.
Tracks the ongoing user session and visited pages.
Collects data about the user's device and browser.
Stores data about user session migrations between versions of the analytics script.
