You’ve heard about Google Analytics 4, this new tool supposed to revolutionize audience analysis, but approaching it from an SEO perspective seems complex? In reality, migrating your SEO metrics to GA4 is not just about clicking “Create a property.” You need to understand which events track your organic traffic, link Search Console, set up custom reports… In short, a real project if you want to maintain the same level of analysis detail as with Universal Analytics. In this tutorial, I provide a step-by-step guide, enriched with proven tips, so that your transition to GA4 is a win for SEO.
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1. Prerequisites and Basic Concepts
1.1 Why switch to Google Analytics 4?
With Universal Analytics, we had a familiar interface to study visitor origins, their behavior on the site, and their conversions. GA4 takes a data-driven turn: fewer sessions, more “events.” While one might think it’s just a vocabulary change, GA4 incorporates a user-centered approach, tracks journeys across multiple devices, and offers native integration with Google’s AI. For SEO, this means being able to correlate organic traffic, scroll depth, and micro-conversion interactions, all in one view.
1.2 Key Concepts to Master for SEO
Before diving into GA4 screens, keep a few fundamentals in mind: event measurement (page_view, scroll, click), source/medium dimension (to isolate organic), exploratory reports, and Search Console integration. Unlike UA where you had a “Search Console” report to check, here you need to create an explicit link and activate properties in the GA4 view. You’ll see, once this base is acquired, SEO reports gain clarity.
2. Step 1: Create and Configure Your GA4 Property
2.1 Access the Admin Interface
Log into your Google Analytics account, then in the “Admin” column, select the existing Universal Analytics view. You will find a “GA4 Setup Assistant” button: this is your anchor point to create the new property. One might think it’s just a simple copy-paste of settings, but the assistant mainly guides you to keep the basic tracking parameters.
2.2 Choose the Right Property Type
In the assistant, two options appear: Create only the GA4 property or Create and import UA data. The second allows importing existing tags via gtag.js and activating a data stream that pulls from your UA property. I usually opt for this method because it ensures continuity of measurements without breaks between old and new tracking.
2.3 Name and Configure Settings
Give your property a meaningful name, for example “MySite – GA4 – SEO,” then set the time zone and currency. Later, you’ll be glad to have immediately clarified the “SEO” goal of this view, especially if you manage multiple sites or territories. Finally, don’t forget to check the automatic event collection in the “Data Streams” section – some, like page_view and scroll, are essential to understand the depth of visits from organic users.
3. Step 2: Set Up Your Data Stream
3.1 Select the Stream Type
In GA4, a “data stream” corresponds to a website, an Android app, or an iOS app. To track your SEO, select “Web” and enter your domain URL. A few specifics to know: if your site runs on HTTPS, choose it explicitly, and avoid overly complex redirects that could result in overly long stream names.
3.2 Installing the gtag.js tag or via Google Tag Manager
Two schools of thought clash: those who paste the gtag.js directly into the <head> of each page, and those who prefer to manage via GTM. Personally, I appreciate the flexibility of GTM: you deploy the GA4 tag only once, then modify your SEO events (for example, a click to a PDF guide or newsletter signup) without touching the site code. Here is an example of a minimal configuration in GTM:
- Tag type: Google Analytics GA4 Configuration
- Measurement ID: UA-XXXXXXXXX-X (provided by the assistant)
- Trigger: All Pages
At the same time, remember to disable any duplicate instances of Google Analytics to avoid duplicates in your organic reports.
4. Step 3: connect Search Console to enrich your SEO data
4.1 Why link Search Console to GA4?
Individually, GA4 gives you post-arrival behaviors (average time on page, scroll, conversions). Search Console, on the other hand, provides the volume of organic clicks, CTR, and queries. Linking the two makes it possible to relate the query that generated the click and the subsequent behavior. Imagine being able to see which SEO pages generate the most scroll and ultimately, the best bounce rates.
4.2 Linking process
Go to Administration > GA4 Property > “Search Console Settings”. Click “Link” then select the Search Console account associated with your domain. Confirm, then wait 24 hours. Then, in Reports > Lifecycle > Acquisition > “Traffic Acquisition” you will discover a new “Search Console” block grouping classic organic metrics mixed with GA4 dimensions.
5. Step 4: configure crucial SEO events and conversions
5.1 Measuring scroll depth
By default, GA4 activates scroll at 90% of the page. To refine (50%, 75%), create a custom event via GTM: “Scroll Depth” trigger configured at 50% and 75%, GA4 event tag “scroll_50” or “scroll_75”. Then, in Configuration > Events, mark them as conversions if you want to see them on par with a signup or a purchase. This granular tracking reveals if your SEO articles really hold attention.
5.2 Tracking strategic pages
Beyond automatic events, target key pages (SEO landing pages, category pages). In GA4, create a custom dimension “Page Type” (SEO, Blog, Product) and configure it via GTM by retrieving the value from a meta tag or a JavaScript variable. You will then get reports broken down by type, with indicators dedicated to your natural traffic.
6. Step 5: create custom exploratory SEO reports
6.1 First reports to set up
In the “Explore” tab, start a new blank report. Either choose a Free Form, or a Path Exploration to follow a user’s path from the homepage to conversion. For SEO, I recommend:
- Dimension: Session source/medium → Filter “organic / google”
- Secondary dimension: Landing page
- Metrics: Users, Sessions, Conversions (signups, scroll), Bounce rate
The result? A pivot table that you save and share with your marketing team to prioritize optimization projects.
6.2 Using segments and comparisons
Don’t limit yourself to a single report. In Explore, the “Comparison” feature allows you to distinguish multiple audiences: new SEO visitors vs returning SEO visitors, for example. Each segment can have an explicit name (“SEO – New”) and then applies to all your explorations without recreating the setup.
7. Advanced tips for SEO pros
7.1 Define custom dimensions and metrics
In SEO, you sometimes need to track the depth of a URL (e.g. /product/category/sub-category/name). With GA4, add a “URL Depth” dimension via the Admin SDK API or directly in your tracking snippet. You insert a script that counts the slashes and returns an integer. You can then segment your landing pages by level and spot those that perform well despite a deep hierarchy.
7.2 Leveraging BigQuery for Custom Reporting
GA4 allows free export to BigQuery. You can then join your server logs or combine your SEO data (via the Search Console API) in a single warehouse. A good practice is to create a SQL view that calculates a “SEO Health Score” per page, aggregating CTR, average position, and scroll rate. This requires data expertise, but it’s worth it if you manage a large portal with thousands of pages.
8. Summary Table of SEO Metrics in GA4
| Metric | SEO Objective | Location in GA4 |
|---|---|---|
| Organic Clicks | Traffic Volume | Search Console → Clicks |
| Organic Sessions | Initial Engagement | Acquisition → Traffic Acquisition |
| 50% Scroll | Interest in Content | Custom Events |
| SEO Conversion Rate | Commercial Performance | Explorations → Conversion |
9. FAQ
What does Google Analytics 4 bring more for SEO?
GA4 offers a user-centric approach, tracks interactions via events, and natively connects to Search Console. You can thus mix internal behavior and organic queries, which was very cumbersome with UA.
GA4 offers a user-centric approach, tracks interactions via events, and natively connects to Search Console. You can thus mix internal behavior and organic queries, which was very cumbersome with UA.
How to link Search Console to GA4?
In GA4 Administration, under “Search Console Settings”, click “Link”, choose your Search Console property and confirm. After 24 hours, organic reports appear in Acquisition.
In GA4 Administration, under “Search Console Settings”, click “Link”, choose your Search Console property and confirm. After 24 hours, organic reports appear in Acquisition.
Which metrics to monitor to assess the quality of organic traffic?
Beyond session volume, look at scroll rate (50%, 75%), page depth, organic conversion rate, and average session duration. These metrics reveal the true relevance of your SEO pages.
Beyond session volume, look at scroll rate (50%, 75%), page depth, organic conversion rate, and average session duration. These metrics reveal the true relevance of your SEO pages.
Can UA segments be migrated to GA4?
No, UA segments cannot be automatically transferred. You need to recreate your segments in the GA4 Explorer interface or via the DataStream API.
No, UA segments cannot be automatically transferred. You need to recreate your segments in the GA4 Explorer interface or via the DataStream API.
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