GA4 records everything as an event: a page view, a scroll, an outbound click, a tap on a phone number. Anything you mark as a key event is what older versions called a conversion. That single change is why the reports look unfamiliar to anyone who learned the previous version, and why most businesses use about four percent of the interface.
Briefly explained
- Everything is an event. Conversions are just events you flagged.
- It answers two questions: where people came from, and what they did.
- It cannot see what a call was worth. Only your CRM knows that.
- Three reports cover almost all the value.
What should be set up before you read anything?
The events that matter, recorded properly. Out of the box, GA4 counts views and very little that a local business cares about.
- Phone taps on mobile, which is where most calls begin
- Form submissions, confirmed by a real thank-you event rather than an assumption
- Chat conversations started
- Clicks to a booking tool, if you use one
Mark those as key events. Everything downstream depends on it. See conversion tracking.
Which reports are worth your time?
The whole job takes about ten minutes a month.
- Traffic acquisition by channel. Where visits come from, and which of those channels produce key events rather than just arrivals.
- Landing pages with key events. Which pages do the work. This is where most decisions actually live.
- This period against the same period last year. See year over year, because month-over-month in a seasonal business mostly reports the weather.
What will it not tell you?
That a call became a large job. GA4 sees a tap on a phone number and then nothing.
Analytics tells you what happened on the site. The job board tells you what it was worth. Decisions get made where those two meet, and a business that only reads one of them tends to optimize for the cheap half of its leads.
Why will these numbers not line up with the ad platform?
Because each tool answers a slightly different question under its own rules.
- Different attribution: GA4 and Google Ads assign credit differently
- Different windows: the period a click stays eligible for credit varies
- Modeling: GA4 estimates some behavior it cannot observe directly
- Consent: what a visitor allows changes what either one can record
A persistent gap is normal. A sudden change in the size of the gap is the signal worth chasing.
What do the terms mean?
- Event: Anything GA4 records. The basic unit.
- Key event: An event you marked as a conversion.
- Session: One visit, with a timeout that ends it.
- Engaged session: A visit over ten seconds, with a key event or a second page. See bounce rate.
- Channel: The grouping GA4 files a visit under, such as organic search, paid search or direct.
Owner questions
