Understanding GA4 Scopes of Traffic Sources

Google Analytics 4 (GA4) is a powerful tool that provides invaluable insights into user behaviour and website performance. To make the most of GA4, it’s essential to understand the various scopes of traffic sources it offers.

In this post, we’ll delve into the User, Session, and Event scopes of traffic sources in GA4, shedding light on how they work and when to use each one.

By the end of this article, you’ll have a clearer understanding of how to leverage these scopes to gain deeper insights into your website’s performance and user interactions.

User Scope:

The User scope in GA4 focuses on individual users and their behaviour across multiple sessions. It provides a comprehensive view of how a specific user interacts with your website over time. This scope is particularly useful for tracking user-level data, such as user demographics, interests, and the paths they take through your site during different visits.

When to Use User Scope:

Understanding User Behaviour: Use the User scope to gain insights into a user’s long-term engagement with your site. This can help you identify loyal customers and understand their journey from their first visit to conversion.

Personalisation: If you’re looking to personalise the user experience on your website, the User scope can help you tailor content and recommendations based on individual user preferences and past interactions.

Session Scope:

The Session scope in GA4 focuses on the user’s interactions during a single visit or session to your website. It helps you track what users do during a specific visit, including the pages they view, events they trigger, and how long they stay on your site.

When to Use Session Scope:

Analysing Visitor Behaviour: Session scope is ideal for understanding how users navigate your website during a single visit. You can see which pages they visit, how they move through your site, and whether they complete desired actions.

Conversion Optimisation: If your goal is to optimise conversions, the Session scope can help you identify drop-off points in a user’s journey within a session. This allows you to make improvements that increase the likelihood of conversions.

Event Scope:

The Event scope in GA4 focuses on specific user interactions or events that occur on your website. Events can range from button clicks and video views to form submissions and downloads. This scope helps you track the details of each event, such as event names, parameters, and associated user data.

When to Use Event Scope:

Tracking Specific Actions: Use the Event scope to monitor the performance of particular user interactions. For example, you can track how many users are clicking on a “Buy Now” button or watching a video on your site.

Fine-Tuning Marketing Campaigns: If you’re running marketing campaigns and want to measure the effectiveness of specific call-to-actions or ad clicks, the Event scope provides the granular data you need to make informed decisions.


Understanding the scopes of traffic sources in GA4 is crucial for unlocking the full potential of this analytics tool. By utilising User, Session, and Event scopes, you can gain deeper insights into user behaviour, optimise your website for conversions, and fine-tune your marketing efforts. Each scope serves a unique purpose, and knowing when to use them will empower you to make data-driven decisions that improve your website’s performance and user experience. So, start exploring GA4’s scopes today and take your analytics to the next level!

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