Using Google Analytics to Improve Marketing ROI: The ACEE System

Comic-book style image of a woman in glasses and a chef hat stirring a bowl labelled “Analytics” while her orange cat, also in a chef hat, holds a whisk. Recipe ingredients like “Traffic,” “Conversions,” “Reports,” and “Insights” float around them like a cartoon brainstorm. Bright orange and blue colours, vintage halftone texture, and slightly puzzled expressions complete the analytics cooking chaos.

Many businesses try every marketing channel available: ads, blogs, Reels, TikTok, email. They hope something works. But without a clear framework, it is hard to know what is actually driving results.

Google Analytics 4 (GA4) can help, but its default marketing reports often feel like a random collection of numbers. You log in and either want to give up or disappear down a rabbit hole that doesn’t give you clear answers.

That is where the ACEE system comes in. ACEE is a simple four-step process: Ask, Collect, Evaluate, Execute. It helps you use Google Analytics to improve marketing ROI. Instead of guessing, you follow a recipe that shows you:

Which marketing ingredients deliver results
Where your ad spend is being wasted
What tweaks will generate more qualified leads and sales

The ACEE System at a Glance

Diagram of the ACEE framework: Ask, Collect, Evaluate, Execute.

A is for Ask. Define the questions you want analytics to answer.
Example: “Which channel is bringing in qualified leads, not just clicks?”
C is for Collect. Set up the GA4 custom events and reports you need.
Example: track form fills, purchases, or content downloads.
E is for Evaluate. Test hypotheses based on the data.
Example: “Social traffic is more valuable than search.”
E is for Execute. Put your insights into action.
Example: shift budget from search to social and measure campaign performance in GA4.

Step 1: Ask

Data is just a bunch of numbers unless you know what you want those numbers to tell you.

I learnt the hard way that if you ask the wrong questions and focus on the wrong data, you will get an answer, but not the one you need.

For years, I obsessed over website traffic. I wanted as much as possible. And because I focused on it, that is what I got: plenty of traffic but very few customers.

Now I focus on conversions, qualified leads, and revenue. That shift changed everything.

Instead of asking “How do I get more website traffic?” I started asking “How can I get more qualified leads?” That is a bigger, better question. And while GA4 will not hand you the answer directly, it will give you the clues if you break the question down.

Smaller questions you can ask include:

Are the right people visiting my website?
Are visitors reaching my sales pages?
Are people who reach my sales pages converting?
Are the leads I get through my website high quality?

Other questions analytics and your CRM can help with:

Am I wasting money on Facebook ads?
Are visitors from AI tools and snippets good quality?
Which sales page drives the most conversions?
Do people who visit my homepage navigate to my sales pages?

The list is endless. And each one gets you closer to improving your marketing ROI with Google Analytics.

screen shot from old analtyics showing a peak of 50k visits — *I wanted more website traffic in 2015 and as you can see, that’s exactly what I got. But no leads!*

Step 2: Collect

Once you know the questions, you need the data that will answer them. That means:

Setting up GA4 correctly for your business
Creating custom marketing reports that focus on ROI
Adding GA4 custom events to track meaningful actions like button clicks, downloads, or checkouts

And do not forget about UTM tracking links. A consistent UTM structure means you will know which campaign or ad brought each visitor to your site. This is the foundation of GA4 campaign tracking strategy.

When this is in place, you will have reliable data that directly connects to your questions and your marketing ROI goals.

Step 3: Evaluate

This is where the fun begins. Look at the data and see what it is really telling you.

Are the people you expected to visit your site actually arriving?
Are they engaging once they land: viewing key pages, triggering events, or converting?
Which sales page performs best for conversions? Which performs worst?

This stage is like playing detective. You are spotting patterns, looking for gaps, and building hypotheses.

For example, you might notice: “Social traffic is more valuable than search.” That is a testable hypothesis that will guide your next move and help you decide how to allocate marketing budget for maximum ROI.

Chart displaying traffic from search v social v email

Step 4: Execute

Now it is time to take action. This is the step where you see the value of those GA4 charts and reports.

Execution means testing your hypotheses one at a time:

Publish more articles to attract your ideal customer
Update a sales page that is not converting
Refine your Instagram strategy and reduce time on TikTok
Run Reddit ads to target more qualified leads
If social proves more valuable than search, shift some ad budget from search to social and measure the ROI with GA4

The key here is focus. Test one thing at a time so you know what caused the change. With your reporting in place, you will be able to measure ROI from each digital marketing campaign clearly.

Why the ACEE System Improves Marketing ROI

Following the ACEE framework stops you wasting time and money on guesswork. Instead of throwing random tactics into the mix, you use GA4 data to guide your choices.

You cut out marketing activity that does not bring results
You double down on what works
You keep improving with every cycle of Ask, Collect, Evaluate, Execute

This approach is repeatable, reduces overwhelm, and ensures your digital marketing ROI is measurable and sustainable.

FAQs About Using Google Analytics to Improve Marketing ROI

What is the ACEE system?
A four-step process (Ask, Collect, Evaluate, Execute) designed to turn GA4 data into actionable marketing insights.

Can GA4 really improve ROI?
Yes, when set up correctly. GA4 helps you measure ROI from digital marketing campaigns and shows you which channels drive conversions.

Do I need custom events in GA4?
Yes. Default GA4 reports will not answer your key questions. Custom events such as tracking form fills, purchases, or button clicks are essential for measuring ROI.

What is more important: traffic or leads?
Traffic volume matters less than quality. GA4 helps you identify where your best leads and customers come from so you can track qualified leads rather than chasing vanity metrics.

How do I measure campaign performance in GA4?
Use UTM tracking links and custom reports to see how each campaign contributes to conversions and ROI.

Try ACEE

Amanda, arms spread wide to welcome you to the world of Analytics Ace

If you want to go beyond theory and actually learn how to apply ACEE to your own marketing, that is exactly what we do inside Analytics Ace.

Over 7 weeks, I will guide you step by step through asking the right questions, setting up your data, and making decisions that stop you wasting time and money on the wrong tactics.

Spots are limited, and doors do not stay open long. Click here to learn more about Analytics Ace