Moved analytics to GA4 and now we're completely lost — is the GA4 setup assistant actually enough for clean data?

All the wizard does is drop a basic pageview tag. The most critical piece for e-commerce sites is the dataLayer. If transaction ID, tax, shipping, and the items array aren't being pushed inside the purchase event, you'll miss half your orders. Browser caching or ad blockers will also cause drops; it's tough to get zero data loss without server-side tagging anyway.

We sell wholesale auto parts in New Jersey and had 30 out of 85 orders missing. When we dug into it, the session was getting dropped as soon as the customer got redirected to a third-party gateway for credit card processing. Once we added our payment provider's domain to the referral exclusion list, our numbers matched up right away. The setup wizard will never do this for you.

Quickest check you can do right now: Go to Admin in the dashboard, find "List unwanted referrals" under Data Streams. Add the domain of the bank or payment processor you use there. Then place a test order in an incognito window and watch the event fire in the Realtime report with your own eyes.

same mess happened to us wizard showed all green so we thought we were set turned out zero conversions were actually defined but trying to get ecomm properly hooked up without tag manager is basically impossible anyway.

What e-commerce platform are you running on? Most out-of-the-box platforms have standard plugins that automatically fire the purchase code, but if it's a custom-built site, your developer needs to manually script the event onto the order thank-you page. Need to know the tech stack to pin down where the issue is.

Google rushed this assistant out not to actually solve users' problems but to prevent mass voids in dashboards while sunsetting the old version. Thousands of businesses trusted the wizard without adjusting settings and their data is total garbage right now. Don't make any business decisions based on assistant reports without doing a clean professional setup from scratch.

The Unassigned traffic problem usually comes down to two main things. First standard campaign parameters (UTMs) on your inbound ad links are either missing or formatted incorrectly. Second, GA4 can't identify the session-start event. If you clean up your tagging structure and configure your referral exclusions that traffic will properly sort into the right channels.

Definitely don't forget to switch the default data retention from 2 months to 14 months, otherwise your historical exploration reports will be completely blank after two months.

Three different views emerged, they all complement each other. Don't trust anyone who gives guarantees; there are no guarantees in this business.

Good luck with that.

Let me summarize the topic, since several different answers were given. When you try to change everything at once, nothing settles.

The biggest time-waster for us was not knowing who had the final say. That's all, sorry if I went on too long.

If you're going this route sort this out first. A competitor's ranking might come from years of accumulation, not just their content.

If you have questions write them; I'll answer as best I can.

Thanks for posting.

You're right. Start with a small trial; don't commit to everything at once.

That's all, sorry if I went on too long.

My questions are cleared up thanks.

Quick summary for newcomers: When you try to change everything at once, nothing settles.

If you have questions, write them; I'll answer as best I can.

id appreciate it if you shared the outcome.

Let me summarize what's been said so far. Most time waste accumulates in tasks waiting for approval.

Speed is a threshold issue; if you're already fast, making it faster changes nothing.

Don't miss this: A page with low traffic might be reaching the right people. Look at where sales come from.

The answer varies greatly by industry; there is no one-size-fits-all rule. Hope this helps.