What is Display Channel in Google Analytics?

Ever launched a display ad campaign and wondered exactly where to find its performance data inside Google Analytics? You're not alone. Figuring out how GA categorizes your traffic is a common challenge, especially with channels like Display that often play a supporting role. This guide will walk you through exactly what the Display channel is in Google Analytics, why it’s critical for your marketing strategy, and how to track its impact correctly.

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First, What Are Google Analytics Channels?

Before focusing on Display, it helps to understand how Google Analytics groups all incoming traffic. By default, GA uses a set of rules to sort visitors into what it calls the "Default Channel Grouping." This is GA’s attempt to automatically categorize your traffic sources into logical, readable buckets so you can quickly see what’s working.

You’ll find these groups in the Traffic acquisition report in Google Analytics 4. Some of the most common default channels include:

• Organic Search: Visitors who arrive from a non-paid search engine result (like Google, Bing, or DuckDuckGo).
• Paid Search: Visitors who click on one of your paid search ads (like Google Ads or Microsoft Ads).
• Direct: Visitors who typed your URL directly into their browser or used a bookmark.
• Referral: Visitors who clicked a link on another website (not a major search engine) to get to your site.
• Organic Social: Visitors who came from a social media platform like Facebook, X (Twitter), LinkedIn, or Instagram without clicking on a paid ad.
• Paid Social: Visitors who clicked on a paid ad on a social media platform.
• Display: This is our focus. It represents visitors who clicked on one of your display or video ads.
• Email: Visitors who clicked an email link to get to your site. This requires you to tag these campaign links.
• Unassigned: Traffic that GA couldn't classify into any other channel based on its ruleset. This often points to a tracking issue.

Understanding these buckets is the foundation for analyzing where your users are coming from and how effective each part of your marketing funnel really is.

What is the "Display" Channel?

In Google Analytics, the Display channel groups together all the traffic that comes from users clicking on your display and video advertisements. Think of these as your digital billboards, banner ads, and video pre-roll ads running across the internet.

Most commonly, this traffic originates from the Google Display Network (GDN), a massive network of over two million websites, videos, and apps where your ads can appear. However, it can also include traffic from other programmatic ad platforms or any other ad network you're using for visual or video ads, as long as the links are tagged correctly.

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How Google Analytics Recognizes Display Traffic

Like all channel groupings, GA doesn't just guess. It looks for specific clues in the tracking parameters attached to the link the user clicked. For traffic to be classified as "Display," Google checks the source and medium information for specific tags or attributes.

Specifically, Google scans the UTM medium parameter in your campaign URLs. It automatically attributes traffic to the Display channel if the utm_medium is one of the following:

• display
• cpm (Cost Per Mille/Thousand impressions)
• banner

Additionally, if your Google Ads and Google Analytics accounts are linked, GA will automatically recognize traffic from any Display campaigns you're running in Google Ads and categorize it correctly without you having to manually tag URLs.

Why the Display Channel is So Important for Marketers

At first glance, the Display channel might not seem as valuable as others. You'll often notice it has a lower conversion rate and lower engagement metrics compared to channels like Paid Search or Organic Search. This can be misleading and cause marketers to undervalue these campaigns if they don't understand the strategic role of a display campaign.

Unlike search, where users have a high level of intent (they’re actively searching for a solution), display campaigns are primarily about building awareness and reaching people at the very top of the marketing funnel.

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Three Key Roles of Display Campaigns:

1. Building Brand Awareness

Display ads introduce your brand, products, or services to potential customers who may not even know you exist yet. They are excellent for getting your name, logo, and core message in front of a wide, relevant audience. This is the first touchpoint that plants a seed for future consideration.

2. Driving Effective Remarketing

This is where Display ads truly shine. By using remarketing (or retargeting) lists, you can show targeted visual ads to people who have already visited your site, viewed a specific category, added an item to their cart but not checked out, or completed or not completed a goal you want them to achieve. Seeing these ads reminds them of your brand and encourages them to come back and finish what they started, whether that’s a purchase, a sign-up, or filling out a contact form.

3. Influencing Assisted Conversions

This is perhaps the most misunderstood yet critical value of Display. Many customers might see your display ad, become aware of your brand, but not click or convert right away. A few days later, they might search for your brand name directly (Organic Search), do more research on social media and find one of your posts, or click on a paid search ad to finally make a purchase.

In this scenario, the last click gets all the credit (in this example, Paid Search), but the display ad played a critical role in assisting that conversion. If you only look at last-click attribution, you'll completely miss the value of your display spend. You can review Assisted Conversions in GA under the Advertising section in Model Comparison under the Attribution section.

How to Analyze Display Traffic in GA4

So, where do you find your display campaign data? Google has made this part straightforward in GA4. Here is a step-by-step guide with some tips so you can get started:

1. Navigate to Reports: From the left-hand menu in GA4, click on the Reports icon.
2. Go to Acquisition: Under the Life cycle section, expand the Acquisition drop-down and click on Traffic acquisition.
3. Find the Channel Grouping: The report tables should load with a column titled Session default channel group, which shows you all of the channel traffic to your website. Look for "Display" in that column. Here, you’ll see top-level metrics like Users, Sessions, Engaged sessions, and Conversions for your Display traffic.
4. Drill Down for More Details: To see what a specific channel is composed of, click the small plus sign (+) next to the column header to add a secondary dimension so you can look at different metrics of traffic. Three valuable secondary dimensions for Display analysis are:

Fixing Common Problem: Display Traffic in the 'Unassigned' or 'Referral' Bucket

One of the most frustrating analytic challenges is seeing traffic you expected to be associated with Display, Referral, or Paid Social appearing under the Unassigned bucket instead of filtering into ‘Display’. This almost always comes down to a simple issue: it is almost certainly a result of mismatched URLs or improper use of UTM parameters.

As mentioned, GA needs to see a UTM medium of display, cpm, or banner to classify traffic as Display. If your ad links use something different, like utm_medium=visual_ad or no medium parameter at all, GA will get confused.

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What Happens If You Tag Wrong:

• No UTMs at all: If you're using a platform that requires you to create your own URL tagging and link to your site from another website with your display ad, but that link does not have a proper UTM link, the traffic will most likely be classified as a "Referral".
• Incorrect or unique UTM medium: You'll create headaches for yourself and anyone using your analytics reporting. If you mistakenly tagged all of your links from a remarketing campaign ad with the "remarketing" medium, Google would not know what this source is, and the traffic would filter into 'Unassigned,' rather than 'Display'.

How to Avoid This:

The solution is simple but requires diligence: UTM standardization across all of your campaigns. Make sure to create some guidelines for yourself and your team on standard source/medium for your UTMs. It is important that any team creating links for display, social, or search ads on other networks always uses one of the three accepted medium tags: display, cpm, or banner.

How to Create Your Own Standardized Campaign URLs:

• Use the free GA4 Campaign URL Builder from Google to ensure you use the right parameters for all of your new links. There are some free templates out there that use the same URL building methods, and they are worth looking up to find the ones that work best for you and your team.

Display Channel Traffic: Key Goals for Measurement vs. Other Channels' Goals

Now that we know how to tag links properly so this channel appears as Display traffic, how do we measure these successful campaigns, and how can this channel support your marketing campaigns across other channels?

• Paid Search can focus on conversions, such as sign-ups, lead forms, or purchases.
• Display campaigns can focus on building brand awareness. Therefore, campaign metrics could focus on impressions and/or reach as key metrics to determine performance.
• Display ads with unique landing pages or links to an appropriate page can drive qualified visitors back to the website. For example, sending someone from your abandoned cart email reminder to a display ad with a product link can bring them back to their cart to close the deal.

Final Thoughts

Getting a handle on the Display channel transforms it from a confusing metric into a powerful tool for understanding your complete marketing funnel. It may not always be the primary channel as Paid or Organic Search is to your business goals, but it’s an important channel to build brand awareness required by today’s customers. Be diligent and consistent with tracking to ensure you get credit for your hard work and see its full impact across your business.

Switching between multiple tools, such as Google Analytics or your marketing automation system, to track how different marketing programs are working can be more than frustrating. We built Graphed because we think there should be an easier way to connect and analyze your sales to understand your entire customer journey. Ask questions in plain English like, "Show me last week's sales from Facebook?" and watch your dashboard build new reports right in front of your eyes.