Question: Because you've set up your web data stream, your website is already feeding data to your Google Analytics property. You notice that enhanced measurement is enabled for the web data stream. What happens when this setting is enabled?
- 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
- Events can be associated with signed-in users to enable cross-device reporting
- Additional events are collected from your website without you needing to change your website's code
Explanation
Enhanced measurement automatically collects additional website interactions from a web data stream. It can measure actions such as page views, scrolls, outbound clicks, site search, video engagement, and file downloads. These events are collected without adding or changing website code when the feature is enabled. This expands web event collection beyond the basic page view setup.
Why the other options are incorrect
Conversion reporting describes attribution behavior, not automatic web event collection.
Signed-in users relates to User-ID, not enhanced measurement.
Mobile app data is collected through app data streams, not the web stream’s enhanced measurement setting.
Source for verification
https://support.google.com/analytics/answer/9216061
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