[null,null,["上次更新時間：2024-11-09 (世界標準時間)。"],[[["User IDs, assigned by you, enable tracking user behavior across sessions, devices, and platforms in Google Analytics."],["To send user IDs to Google Analytics, ensure you have a Google Analytics account, a web data stream, and the Editor role or higher."],["Avoid setting custom dimensions based on user IDs and sending user IDs when a user isn't signed in to maintain data accuracy."],["Before implementing user IDs, review the best practices and guides linked in the document to avoid potential issues."]]],["User IDs are unique identifiers assigned to users to track their behavior across sessions, devices, and platforms within Google Analytics. To ensure data accuracy, avoid using user IDs for custom dimensions and only send them when users are signed in; do not set placeholder values. Before sending user IDs, establish a Google Analytics account and web data stream, and ensure the Editor role is assigned.\n"]]
