The Quarterly Email Audit Most Brands Skip
The Quarterly Email Audit Most Brands Skip
Most brands set up their email flows once and never look at them again.
They build a welcome series, an abandoned cart flow, maybe a post-purchase sequence. It works. They move on. Months pass. Years pass. The flows keep running.
And slowly, things break. Logic gets outdated. Segments drift. Filters that made sense in 2023 don't make sense anymore. Nobody notices because nobody's looking.
This is why we run quarterly audits on every client account. It's not exciting work. But it consistently surfaces problems that have been costing money for months.
What Goes Wrong When You Don't Audit
Here's what we find when we look at accounts that haven't been audited in a while:
Outdated flow logic: A flow was set up to exclude a certain segment. That segment got renamed. Now the exclusion doesn't work and people are getting emails they shouldn't.
Dead filters: A filter references a product that was discontinued. Or a collection that got reorganized. The flow still runs, but it's not doing what it was supposed to.
Stale segments: Segments built on conditions that no longer apply. "VIP customers" defined as 3+ orders when your average customer now orders 5 times. The definition didn't keep up with the business.
Legacy settings: Someone set something up years ago. Nobody remembers why. It's still running. Maybe it's fine. Maybe it's been broken for 18 months.
Missed opportunities: The account has grown, product lines have expanded, but the flows haven't. Post-purchase only covers 3 products when you now sell 30. Win-back targets 90-day lapsed when your data shows 60 days is the real drop-off point.
A website update: The website got updated which stripped out a piece of tracking. Nobody saw it because they weren't looking for it but it broke an important flow.
The Audit Framework
We break every account into 5-6 sections and go deep on each:
1. Flows
The core of any email program. For each flow:
- Is the trigger still correct?
- Are the filters and exclusions working?
- Does the timing still make sense?
- Are there branches that never get used?
- When was the content last updated?
- Are the links still right?
Common finds: Broken exclusion logic, outdated product references, flows that were "temporarily paused" 8 months ago.
Use our Flow Visualizer to see your entire flow architecture at a glance, or the Flow Builder to deploy new flows.
2. Campaigns
Look at the last 90 days of campaigns:
- What segments are you sending to?
- What's the revenue per recipient by segment?
- Are there segments you're over-sending to? Under-sending to?
- What's your unsubscribe rate trending?
- Are you using proper unengaged segments/trying to re-engage segments?
Common finds: Over-reliance on "engaged" segments while ignoring customers, inconsistent sending frequency, campaigns going to people who should be suppressed.
3. Segments
Pull up the main segments in the account:
- Is the logic still correct?
- Are there duplicate or overlapping segments?
- Are there segments that no longer get used?
- Do your "engaged" definitions still make sense?
- Are there "hidden" groups of subscribers that are being ignored?
- How much dead weight is in the list?
Common finds: Segments with outdated time windows, segments referencing deleted properties, 47 variations of "VIP" that all mean slightly different things.
Our Audience Builder can help you create cleaner, more effective segments.
4. Deliverability
Check the health of your sending:
- What's your bounce rate trending?
- Spam complaint rate?
- Are you on any blacklists?
- What does your engagement look like by domain (Gmail, Yahoo, Outlook)?
- Are you carrying a ton of dead profiles?
- Is your abandoned checkout getting spammed with bots? (This is so common — check your abandoned checkout bounce rate & add in "has not bounced since entering this flow")
Common finds: Gradual deliverability decay that nobody noticed, sending to segments with high bounce rates, lack of sunset process letting dead profiles accumulate. Use our Bill Reducer to identify how many inactive profiles are costing you money.
Learn how to automate your list hygiene to prevent these issues.
5. Pop-ups and List Growth
- Are your pop-ups still performing?
- What's the conversion rate?
- Are the offers still relevant?
- Are you collecting the data you need?
- Is it submitting into the correct lists?
- Is every step still working?
Common finds: Pop-ups with offers that ended months ago, forms collecting data that never gets used, mobile experience broken.
6. Post-Purchase Survey Data
If you're running post-purchase surveys (you should be):
- What are customers saying about why they bought?
- What almost stopped them from buying?
- What do they want that you don't offer?
- What keeps someone coming back?
- What other brands are they shopping with?
This isn't a technical audit — it's a strategic one. The data here should inform your messaging, your flows, and your product development.
What the Audit Produces
The output is a prioritized list of fixes and opportunities:
Immediate fixes: Things that are broken and costing money now. Fix these first.
Quick wins: Low-effort changes that should improve performance. Usually 1-2 hours of work each.
Strategic opportunities: Bigger projects that require planning — new flows, segment restructuring, content overhauls.
Technical debt: Things that aren't broken but should be cleaned up. Duplicate segments, unused flows, legacy settings.
This becomes the foundation for the next quarter's work. Instead of guessing what to prioritize, you know exactly what needs attention.
Why Quarterly
Why not monthly? Or annually?
Monthly is too frequent. You don't accumulate enough data to see trends, and you spend more time auditing than improving.
Annually is too rare. Too much drifts. Problems compound. By the time you catch something, it's been broken for 9 months.
Quarterly hits the sweet spot. Enough time for patterns to emerge. Frequent enough to catch problems before they compound. Aligns with natural business planning cycles.
The Real Reason Most Brands Don't Do This
Audits aren't fun. They're not creative work. You're not building anything new — you're checking that the old stuff still works & creating future plans.
So it gets pushed off. There's always something more urgent. A campaign to send. A new flow to build. A sale to prepare for.
Meanwhile, the existing infrastructure slowly degrades. And because it's gradual, nobody notices until something obviously breaks.
The brands that run consistent audits don't have better tools or more resources. They just have the discipline to look at what's already running and ask: "Is this still working the way it should?"
Start Here
If you've never audited your email program:
- Pick one section. Flows are usually the highest-impact place to start.
- Go through every active flow. Check triggers, filters, timing, content. Note anything that looks off.
- Fix the obvious breaks first. Broken exclusions, dead filters, paused flows that should be live.
- Schedule the next audit. Put it on the calendar for 90 days from now.
The first audit takes the longest. After that, you're just checking for drift, not rebuilding from scratch.
Most agencies set things up and move on. The ones that run quarterly audits find problems that have been silently costing money for months.
It's not glamorous work. But it's the difference between an email program that degrades over time and one that keeps getting better.
Want us to audit your email program?
We run quarterly audits for all our clients and consistently find issues that have been costing money for months. Get a comprehensive audit of your Klaviyo account.
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