The DataLayer Audit Checklist
A 20-minute, Self-Guided GTM datalayer Audit What your GTM dataLayer Can tell you
Built for marketing leaders at regional grocery & omnichannel retailers running weekly promotions across delivery and pickup.
This free checklist walks you through exactly which PDP and cart signals your dataLayer captures today, the one question to ask your analytics team, and a repeatable workflow to audit any market in 20 minutes — no analytics degree required.
the GTM datalayer mattersWhy Your Tag Manager DataLayer Is the Fastest Way to Close the Loop on Promotions
If you can’t see how a promotion performed until the recap deck lands three weeks later, you’re making next week’s decisions blind. Your dataLayer is already capturing the signals that answer “what actually worked” at the moment of purchase — but most marketing teams have never confirmed what they’re collecting or how to use it. This checklist closes that gap.
🔺 Your Promo Recaps Arrive A Week (Or Three) Too Late To Change Anything
By the time the recap deck lands, the next campaign has already launched and the moment to adjust has passed. When you can see performance at the moment of purchase instead, you can tune a promotion mid-flight rather than learning from it next quarter.
🔺 You Can Report Clicks And Units Sold - But Not Incremental Lift Among The Shoppers Who Matter
Top-line units tell you something happened; they don't tell you the promotion caused it, or which shoppers responded. Layering in dimensions like loyalty status, service type, and realized savings lets you isolate the lift that's actually incremental — and prove it to your brand partners.
🔺 You Can’t Tell Whether Out-Of-Stocks Quietly Capped Your Best-Performing Ad
Your highest-converting promotion still can't move what isn't on the shelf, and without an availability signal that drag is invisible. Capture it, and you'll know when a soft result was a creative problem versus an inventory one — before you kill a campaign that was actually working.
🔺 Marketing And Analytics Don’t Share A Vocabulary For What’s Being Captured
Marketers rarely know which signals exist, and analytics teams rarely get asked, so the most useful data sits unused between the two. A shared, plain-English vocabulary for what's captured turns those signals into decisions both teams can act on together.
Interested in getting a second opinion on your digital marketing? Learn About Our Free Diagnostics >
Where Measurement Breaks DownThe Three Measurement Gaps Every Multi-Location Grocery & Retail Marketer Faces
Before you can replicate a winning promotion, you need clarity on where your measurement breaks down. Most retailers struggle with the same three gaps:
Your Recaps Arrive TOO late to act on
When promo performance shows up three weeks later in a deck, the next campaign has already launched. Real-time signals at the moment of purchase let you adjust on Wednesday what you saw on Tuesday — instead of learning from it next quarter
You can’t Separate Incremental Lift from noise
“Units sold went up” doesn’t tell you whether the promotion drove it. Without dimensions like loyalty status, service type, and realized savings, you can’t isolate the lift that actually came from the campaign — or prove it to brand partners.
stockouts are quietly sabotaging your best ads
Your highest-performing promotion can’t convert what isn’t on the shelf. If you’re not capturing an availability signal, out-of-stock conditions silently drag down results — and you blame the creative instead of the inventory.
FIVE Parts Of The DataLayer Audit ChecklistWhat’s Inside the DataLayer Audit Checklist
The checklist is a self-guided audit you run with your analytics partner. It shows you exactly what your GTM dataLayer captures today, where the gaps are, and the single highest-value place to start.
-
A plain-English checklist of the PDP and cart dimensions that map to real marketing decisions — location, customer identity, behavioral, and promotional signals — so you can confirm what’s firing in production today.
-
The four questions to bring to a 30-minute meeting that most marketers have never had — and most analytics teams have never been asked.
-
A repeatable, four-step exercise: pick one market, pull five signals, ask three diagnostic questions, and surface one insight that reshapes how you think about it.
-
Tally your captured signals for a clear benchmark of where you stand — foundational gaps, a solid base, or a goldmine waiting to be activated.
-
Based on your biggest gap, exactly which signal cluster to tackle first for the fastest path from “a campaign worked” to “we can replicate the win.”
3-steps to get you startedHow The Checklist Works
No tools to install and no analytics background required. Here’s the path from download to your first insight:
Build the foundation for faster marketing decisionsWhat The Audit Helps You Unlock
Knowing what your GTM dataLayer captures isn’t a technical exercise — it’s the foundation for faster, sharper marketing decisions. Here’s what teams gain once they can actually listen to their signals:
Faster Promo Loops: See a signal on Tuesday, adjust the campaign on Wednesday, measure the result by Friday.
True Incremental Lift: Measure performance among loyalty members, in specific zones, where items were actually in stock — not just top-line units.
Smarter Geo-Targeting: Stop blanket-targeting metros and show up exactly where the demand curve is bending.
Addressable-audience clarity: Use the Guest flag to know when you can stitch a session to a profile, trigger follow-up, and measure lifetime value.
Merchandising Backed By Evidence: Use Addition Source to replace placement opinions with conversion proof.
A Shared Marketing-Analytics Vocabulary: Give both teams one language for what’s captured and what it unlocks.
Curious what your DataLayer Is Already Capturing?
Use the free dataLayer Audit Checklist to see which signals you’re collecting today
and answers to some of your most important marketing questions.
Explore All of Our Services
Paid Media
Precision-targeted paid media campaigns designed to convert high-intent traffic into measurable physical-world growth.
LEARN MORE »Organic Search (SEO)
Sustainable visibility that compounds over time. SEO that gets you in front of the right searchers while their researching.
LEARN MORE »Marketing Analytics
You can't improve what you can't measure. Reporting insights that connect marketing activities and real world business results.
LEARN MORE »Website Development
We design and build performance-driven websites that load fast, convert visitors, and support the buying journey.
LEARN MORE »Email Automation
The right message, to the right person, at the right time. Email that will nurture leads, drive business, and keep you top of mind.
LEARN MORE »