What is a Dimension in Google Analytics?
In this article, we will explore what dimensions are, provide examples of dimensions in Google Analytics, and explain how to use them to gain valuable insights about your online audience. Whether you are a business owner or a digital marketer, this guide will provide you with the knowledge you need to effectively analyze your website data and make data-driven decisions.
Definition: A dimension in Google Analytics is a way to segment and organize data based on certain characteristics or attributes. A Dimension in Google Analytics is simply a data attribute used in conjunction with metrics to provide a more comprehensive understanding of a website’s performance. For example, by viewing the metric of bounce rate through the dimension of the landing page, e-commerce merchants can better understand which pages are leading users to further explore their website.
Examples of Google Analytics Dimensions:
- Campaign: Allows tracking of specific campaigns that led a user to the website
- Source: Identifies the origin of the user before landing on the website (e.g., Google, social media, referral)
- Medium: Specifies the type of referral (e.g., organic search, CPC)
- Device Category: Indicates the device used by the user to access the website (e.g., desktop, mobile, or tablet)
- Gender: Allows segmenting data based on the gender of users
- Ad Content: Allows understanding of which specific ad content led to conversions
- Keyword: Allows understanding which keywords were used in the search queries that led the user to the website
- Day of the Week: Allows understanding the trend of visitors on different days of the week
- Month of the Year: Allows understanding of the trend of visitors in different months of the year
How Dimensions and Metrics Go Together
For example, using the dimension of “source” allows you to segment your data by where the traffic is coming from (e.g., Google, social media, referral), while the metric of “sessions” gives you the number of sessions from each source. Together, these two pieces of information allow you to understand not only where your traffic is coming from but also how much traffic is coming from each source.
How to use Dimensions in Google Analytics
Creating custom dimensions
To create a custom dimension, navigate to the “Admin” section in Google Analytics, select the “Property” and “Custom Definitions,” and then select “Custom Dimension.” From there, you can name and define your dimension.
Segmenting data by dimension
To segment your data, navigate to the “Reporting” section in Google Analytics, select the dimension you want to segment by, and then apply the segment to your data.
Using dimensions in combination with metrics to analyze data
For example, you can use the dimension of “source” in combination with the metric of “sessions” to understand not only where your traffic is coming from but also how much traffic is coming from each source.
In GA4, every report includes a primary dimension that is pre-selected to offer a broad understanding of how that dimension performs in relation to a set of metrics. To add more depth to the analysis, Google also allows for the option to segment the dimension data by adding a ‘Secondary Dimension.’ This gives the flexibility to analyze the primary dimension and then view the related data through the lens of a secondary dimension within the same report.
How many dimensions can I add to a single report in Google Analytics?
You can add up to seven dimensions to a single report in Google Analytics. However, it’s worth noting that using too many dimensions can make your report cluttered and difficult to read. It’s best to stick to a few key dimensions that are most relevant to your analysis.
Can I delete a dimension in Google Analytics?
Yes, you can delete a dimension in Google Analytics by navigating to the “Admin” section, selecting the “Property” and “Custom Definitions,” and then selecting “Custom Dimension.” From there, you can select the dimension you want to delete and click on the “Remove” button.
Can I change the order of dimensions in a report?
Yes, you can change the order of dimensions in a report by dragging and dropping the dimensions in the order you prefer. This can be done in the “Reporting” section under the “Customization” tab.
Can I rename a dimension in Google Analytics?
Yes, you can rename a dimension in Google Analytics. To do this, navigate to the “Admin” section, select the “Property” and “Custom Definitions,” and then select “Custom Dimension.” From there, you can select the dimension you want to rename and click on the “Edit” button.
How can I determine which dimensions are most important for my analysis?
The most important dimensions for your analysis will depend on your specific goals and the nature of your business. It’s a good idea to start by analyzing the default dimensions provided by Google Analytics and then add custom dimensions as needed. It’s also helpful to segment your data and look for patterns and trends that may not be immediately apparent.