A Guide to Custom Dimensions in GA4 Setup

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Online marketers need as much data as possible to analyze and optimize their advertising campaigns. But getting Google Analytics 4 to work correctly is more complex than adding a code snippet to your company's website. If you want a complete picture of your results, you must spend some time setting up data collection.

Often, more than the standard GA4 user or product data is needed. In this case, specialists can use Google Analytics 4 definitions, i.e., custom dimensions and metrics.

In this article, I'll explain the importance of custom sweden number dataset and metrics, show you how to set them up using Google Tag Manager, and describe how to use custom definitions in Google Analytics 4 reports.

In this article, I'll explain the importance of custom dimensions and metrics

What are custom dimensions and metrics in GA4?
When you launch a Google Analytics 4 call, your website automatically collects some default data. This includes important information such as user identifiers and device information, a record of the site content with which the user interacts, and the user behavior on the site or in the mobile app.

If you need additional data on attributes, characteristics, or user interaction with web pages, you can configure custom dimensions and metrics.

These concepts are very similar, but there is one difference: a user-defined or event-driven custom dimension is usually represented by text. A custom dimension (metric) is always event-scoped and is the result of a quantitative measurement (average, ratio, percentage).

There are many ways to use custom dimensions and metrics. By customizing them, you can collect additional data about events or users, including

search terms from sites that have a search function;
data about the payment types selected by users when setting up the add_payment_info event;
information about the color of the product in the add-to-cart event;
percentage or numeric value of video playback at the time the event is triggered;
information about the names of the sections of the site menu that the user clicks.
For businesses seeking expert guidance and support in leveraging the full potential of Google Analytics 4 and utilizing custom dimensions and metrics for advanced data analysis and insights, partnering with a specialized Google Analytics 4 agency can provide tailored strategies and expertise to optimize your analytics setup and drive business growth.

GA4 has several types of standard dimensions and metrics, as well as limits on their number per resource:

User-scoped custom dimensions enable you to analyze the properties of website or app visitors. You can set up to 25 user-scoped custom dimensions in each Google Analytics 4 resource.
Event-scoped custom dimensions enable you to analyze event properties, event values, or action status. The limit for setting such dimensions is 50 for a standard resource.
Item-scoped custom dimensions. They are determined based on a specific event parameter within the items array. They can also be used to analyze an attribute of a product or service offered in an online store, e.g., color, size, rating, or product status. You can set up to ten parameters for a resource.