Google Analytics 4 (GA4) for SEO
Search Console shows how you appear in Google; GA4 shows what visitors actually do once they land on your site.
What you will learn
- Explain how GA4 differs from Search Console
- Read organic-traffic, engagement and conversion reports
- Set up a simple conversion to measure real results
Two tools, two jobs
You already met Google Search Console — it tells you how your pages show up *in Google* (impressions, clicks, position). Google Analytics 4 (GA4 for short) is the other half: it is a free tool that tracks what people do *on your website* after they arrive — which pages they read, how long they stay, and whether they buy or call.
| Question | Which tool answers it |
|---|---|
| Which searches show my page in Google? | Search Console |
| How many of my visitors came from Google search? | GA4 |
| Which pages do visitors actually read? | GA4 |
| Did the visitor place an order or call? | GA4 |
| What is my average ranking position? | Search Console |
Note: A pro uses both together: Search Console to win the click, GA4 to see if that click turned into a customer. For SEO, GA4’s job is to prove your free search traffic is actually growing the business.
New words, defined simply
- A session is one visit to your site. If one person visits twice today, that is two sessions.
- An event is any single action GA4 records — a page view, a scroll, a click, a form submit. GA4 measures everything as events.
- A conversion (GA4 calls it a key event) is an action you decide is valuable — an order placed, a Call Now tap, a form sent.
- Organic traffic is visitors who arrived from a free search result. GA4 labels their source as Organic Search.
Finding your organic (SEO) traffic
The single most useful GA4 view for SEO is the one that shows how much of your traffic comes from free search. You reach it like this:
- Open GA4 and click Reports in the left menu.
- Go to Acquisition → Traffic acquisition.
- Look at the column Session default channel group — it groups visitors by where they came from.
- Find the row labelled Organic Search — that is your SEO traffic.
- Set the date range (top right) to compare this month with last month.
A simplified version of what that report looks like:
Traffic acquisition - last 28 days
Channel Sessions Engaged Conversions
Organic Search 1,240 890 48
Direct 560 410 22
Social 320 180 9
Referral 140 95 6Note: The Organic Search row is your SEO scorecard: 1,240 visits came from free search, 890 were engaged (they actually stayed and did something), and 48 turned into conversions (orders or calls). Watching this Organic Search row grow month over month is the clearest proof that your SEO work is paying off.
Worked example: turning sessions into a result
Numbers only matter if you connect them to money. Say Sweet Crumbs gets the report above. Each cake order is worth ₹800. Here is the chain:
- Organic Search brought 1,240 sessions.
- Of those, 48 were conversions (cake orders placed online).
- That is a conversion rate of 48 ÷ 1,240 = 3.9%.
- At ₹800 per order, those 48 orders are 48 × ₹800 = ₹38,400 of revenue from free search this month.
Note: This is the sentence a client wants to hear: “SEO brought 1,240 free visitors who placed 48 orders worth ₹38,400 this month.” Search Console alone could never tell you that — you need GA4’s conversion tracking to connect rankings to rupees.
Setting up a conversion (key event)
GA4 will not know an order matters unless you tell it. You mark an action as a key event so GA4 counts it as a conversion. The simplest version:
- Decide what counts as success — for a bakery, the order-confirmed page loading, or a Call Now button tap.
- In GA4 go to Admin → Events. GA4 already records many events automatically (like a page view).
- Find or create the event for your success action, then toggle Mark as key event on.
- From now on GA4 counts every time that happens, and it appears in the Conversions column of your reports.
Tip: Link GA4 and Search Console together (in GA4 Admin → Product links → Search Console links). Once linked, you can see search queries and on-site behaviour side by side — the full journey from a Google search to a completed order in one place.
Watch out: GA4 only starts collecting data from the day you install it — it cannot show the past. Set it up early, even on a brand-new site, so you have history to compare against later. Also note GA4 replaced the older Universal Analytics in 2023, so ignore old tutorials that mention “Bounce Rate” and “Goals” — GA4 uses engagement and key events instead.
Q. In GA4, which report row shows visitors who arrived from free Google search results?
✍️ Practice
- In one line each, say whether Search Console or GA4 answers: “Which queries show my page?” and “Did the visitor place an order?”
- A page had 2,000 organic sessions and 60 conversions. Calculate the conversion rate.
🏠 Homework
- On any site you can access GA4 for (or using the free GA4 demo account), open Acquisition → Traffic acquisition and write down the Organic Search sessions and conversions for the last 28 days.