What are custom dimensions in Google Analytics 4?

Custom dimensions in Google Analytics 4 are data fields that webmasters or site owners can add to their Google Analytics account to gain more insight into user behavior on their website. These dimensions can be defined based on certain characteristics or data relevant to the business or Web site.

What custom dimensions are there?

There are several types of custom dimensions that can be used in Google Analytics 4, such as:

  1. Custom dimensions for users: These are data fields that contain information about website users, such as age, gender or geographic location.
  2. Custom dimensions for content: These are data fields that contain information about website content, such as categories or tags.
  3. Custom dimensions for marketing: These are data fields that contain information about marketing campaigns or ads, such as the source of the reference or the name of the ad.
  4. Custom dimensions for purchases: These are data fields that contain information about purchases made on the website, such as the product or purchase price.

Custom dimensions can be defined by webmasters or site owners and can be used to gain more insight into user behavior on the Web site. For example, if a webmaster has defined a custom dimension for product categories, she can see which product categories are most popular with users and which are less popular.

In summary, custom dimensions in Google Analytics are 4 data fields that webmasters or site owners can add to their Google Analytics account to gain more insight into user behavior on their website. There are different types of custom dimensions, such as dimensions for users, content, marketing and purchases, and they can be defined based on certain characteristics or data relevant to the business or Web site.

Why do you need them?

If you don’t set up custom dimensions in Google Analytics, you’re missing out on a huge amount of additional information about your users when reporting, for example, to make visible in Looker Studio. If you want to know more about what events occurred and you set additional event parameters for each event tag in Google Tag Manager, they will not be visible in the online dashboard until you add them as a custom dimension. So a very important reason why you should not forget this,

Author: Paul Gudde

Function: Founder

Active since: 2007

Number of items: 24

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Specializations: Google Analytics, Google Tag Manager, Google Ads, Google bigquery, Server Side Tagging

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