Automatically collected events in Google Analytics 4 (GA4)

Table of Contents for automatically collected events in Google Analytics 4 (GA4)

  1. Introduction
  2. Example of automatically collected events in GA4
  3. Where to find automatically collected events in Google Analytics 4?
  4. FAQ

Introduction

An event is the user’s interaction/activity with a web page element embedded on a website and/or mobile app.

There are four categories of events in Google Analytics 4:

  1. Automatically Collected Events
  2. Enhanced Measurement Events
  3. Recommended Events
  4. Custom Events

Automatically collected events are automatically triggered and logged (recorded) by Google Analytics 4 (GA4) on certain pre-defined user activities.

These pre-defined user activities can be (but are not limited to):

  • A user clicking on a mobile ad
  • A mobile ad being served on a screen
  • Viewing of a mobile ad
  • Crashing of an app
  • Downloading of a file
  • Launching of a mobile app for the first time
  • Visiting a website for the first time.
  • Completing an in-app purchase
  • Loading of a web page
  • Transitioning of a screen on a mobile app
  • Reaching the bottom of a web page
  • Video starts playing
  • Video progression
  • Video ends playing
  • Performing a site search etc.

Note: You don’t need to add any code or tag on your website/app in order to track automatically collected events.

Example of automatically collected events in GA4

The following are examples of automatically collected events and their corresponding parameters:

ad_click

This event is triggered when a user clicks on a mobile ad.

You can supply additional information with this event by using the following parameter ‘ad_event_id‘.

ad_exposure

This event is triggered when a mobile ad is served on a screen.

You can supply additional information with this event by using the following parameters: firebase_screen, firebase_screen_id, firebase_screen_class, exposure_time.

ad_impression

This event is triggered when a user views a mobile ad.

You can supply additional information with this event by using the following parameter ‘ad_event_id

app_exception

This event is triggered when an app crashes or throws an error.

For supplying additional information use the following parameters: fatal, timestamp, engagement_time_msec

file_download

This event is triggered when a user downloads a file from a website.

For supplying additional information use the following parameters: file_extension, file_name link_classes, link_domain, link_id, link_text, link_url

first_open

This event is triggered when a user first time launches an app after installing or re-installing it.

For supplying additional information use the following parameters: previoius_gmp_app_id, updated_with_analytics, previous_first_open_count, system_app etc.

first_visit

This event is triggered when a user visits a website for the first time.

in_app_purchase

This event is triggered when a user completes an in-app purchase.

For supplying additional information use the following parameters: product_id, price, value, currency, quantity etc

page_view

This event is triggered each time a web page loads in the browser window.

screen_view

This event is triggered when a screen transition occurs.

For supplying additional information use the following parameters: firebase_screen, firebase_screen_class, firebase_screen_id, firebase_previous_screen etc.

For a complete list of automatically collected events and the supported parameters, check out the official help documentation: https://support.google.com/analytics/answer/9234069

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Where to find automatically collected events in Google Analytics 4?

You can find the automatically collected events in the ‘All Events‘ report.

Follow the steps below:

Step-1: Navigate to your GA4 reporting view and click on ‘Reports’.

Reports

Step-2: Click on ‘Engagements’.

Engagement

Step-3: Now click on ‘Events’.

Events

You should now be able to see the complete list of all the logged events (including automatically collected events) in your GA4 reporting view:

complete list of all the logged events in your GA4 reporting view

Frequently Asked Questions About Automatically collected events in Google Analytics 4 (GA4)

What are automatically collected events in Google Analytics 4?

Automatically collected events are triggered by the basic interaction with your website or mobile application. Unlike other custom events, you don’t have to add or modify code to collect these events and it is tracked directly from your SDK or gtag.js code.

What events are automatically collected in Google Analytics 4?

Following are few examples of events that are automatically collected.
– Outbound link clicks
– File download
– First visit
– Pageviews
– Scroll
– Session start
– Video start
– Video progress
– Video complete
– View search results, Etc.

There are several other events as well that are automatically collected.

What are enhanced measurement events in Google Analytics 4?

Enhanced Measurement Events are automatically triggered and logged on certain pre-defined user activities. But the events (excluding the ‘page_view’ event) are logged only when you have enabled enhanced measurement in Google Analytics 4

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