- Events can be associated with signed-in users to enable cross-device reporting
- Events from your mobile app can be combined with your existing website data
- Conversion reporting for the web data stream uses machine learning to distributes credit across channels
- Additional events are collected from your website without you needing to change your website’s code
The correct answer is: Additional events are collected from your website without you needing to change your website’s code
If you’re creating a web data stream, you’ll see an option called “enhanced measurement.” Keep this on to automatically collect pageviews, scrolling, outbound link clicks, site searches, and other common user events. You can disable or re-enable enhanced measurement at any time.
Enhanced measurement lets you measure interactions with your content by enabling options (events) in the Google Analytics interface. No code changes are required. When you enable these options for a web data stream, your Google Analytics tag starts sending events right away.
Before turning on the enhanced measurement feature, be sure you understand each option and what enhanced data will be collected. You can also turn off specific measurement options in settings.
Read more here: https://support.google.com/analytics/answer/9216061