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Klaviyo Audit Checklist: What to Check and Fix First
By Trayan Hristov | Reviewed 6 October 2026 | 8 min read
A useful Klaviyo audit establishes whether the data, delivery, customer journeys and reporting can be trusted, then turns the findings into an ordered plan. Start with defects that make messages unreliable or inappropriate. Improve creative and expand production once the foundations support that work.
An audit should leave you with evidence, decisions and owners. A list of missing flows or a single account score is not enough to explain what should happen next.
IN THIS GUIDE Checklist · Health score · Flows · Priorities · FAQs |
The audit checklist at a glance
Area | Evidence to inspect | Decision to make |
|---|---|---|
Data and integrations | Sample orders, events, product details and customer records | Can the programme use the information reliably? |
Sending and permission | Sender setup, consent records, suppressions and preferences | Who should receive which messages? |
Deliverability | Reputation indicators, complaints, bounces and audience trends | Does sending need repair before expansion? |
Forms and acquisition | Exposure, submissions, consent, source and customer quality | Are you acquiring usable relationships? |
Flow logic | Triggers, filters, timing, re-entry and purchase exclusions | Does the journey change with the customer's actions? |
Post-purchase experience | Product education, support handoffs and progression | Does the programme help customers use and buy again? |
Campaigns and segments | Recipient logic, frequency and overlaps with flows | Is the calendar appropriate for each audience? |
Creative and usability | Content, links, rendering and product accuracy | Can the customer understand and act on the message? |
Measurement | Attribution settings, store totals and cohort definitions | Are comparisons consistent and commercially useful? |
Operations | Access, documentation, approvals and quality assurance | Who will fix each issue and maintain the result? |
Start with data, permissions and sending
Choose real customer journeys and trace them through the account. Compare the source order with the events and product details available in Klaviyo. Check whether identifiers, timestamps, currencies, item quantities and customer status support the decisions you want to make.
Do not assume that an integration being connected means every required event or field is correct. A purchase exclusion can only work as intended when the underlying purchase information arrives reliably. Product recommendations also depend on current, usable catalogue information.
Review the sending setup and the records used to determine marketing eligibility. Check suppressions and preference handling before adding channels or audiences. Record gaps for the person responsible for the brand's permissions and compliance process, rather than treating a subscribed-looking profile as proof that every message is appropriate.
Inspect deliverability without confusing it with total account health
Klaviyo's email deliverability hub includes a deliverability score from 0 to 100. Its documentation describes a score based on recent open, click, bounce, unsubscribe and spam complaint rates. It requires at least 1,000 emails sent in the previous 30 days to display a score. This is a sender-health indicator, not a complete assessment of lifecycle strategy, data quality or commercial performance.
Investigate the factors and the direction of change. Separate campaigns from flows where useful, and look for particular audiences or messages driving deterioration. Use the score alongside available inbox-provider information and the actual recipient experience. Avoid treating a healthy aggregate as proof that every segment is healthy.
In a Thrivelia account review, the wider Health Score discussion needs to consider the account beyond delivery: usable data, coherent journeys, customer development, measurement and the ability to execute. This checklist makes those areas explicit. It does not publish a proprietary weighting formula or claim that Klaviyo assigns an overall business-health grade.
Audit forms using the whole path to a customer
Inspect exposure, submission rate, usable new subscribers and downstream buying behaviour. A form can improve its submission percentage while reaching fewer visitors and producing fewer new subscribers in total. Those are different outcomes.
Check what information the form asks for and whether the programme uses it. A preference is useful when it changes the next message or product advice. An extra question that goes nowhere adds friction without improving the experience.
For tests, record the visitor population, timing, offers, device mix and observation period. Choose the primary decision metric before evaluating the variants. Where feasible, follow the acquired subscribers far enough to assess their quality, rather than declaring success at the submission alone.
Test flow logic as a customer, not as a list of names
Trace a subscriber who browses, starts checkout and purchases. Then trace a returning buyer, a customer with an unresolved support issue and a buyer who places another order before the sequence ends. Where data and integrations allow, test the relevant edge cases rather than only the happy path.
Check entry conditions, exclusions, delays, re-entry behaviour and the moment the customer should move into a different journey. Confirm which event actually drives the flow. Review the logic and the content together: a technically valid reminder can still make little sense after the customer has bought.
Perk Clothing's published case describes refreshed welcome and recovery work, post-purchase follow-up and more deliberate audience rules. The lesson is to inspect the handoffs between journeys alongside the individual emails.
Give post-purchase work its own audit section
Ask what the buyer needs to succeed with the first product. That may be sizing and fit, care, setup, usage, expectations or support. Identify when that information becomes useful, including whether a delivery event is available or only an estimated arrival window.
Then inspect the path to the second order. Do customers return for replenishment, a complementary product, another colour or another use case? Analyse actual first-product and next-product patterns before deciding the timing. The first-to-second-purchase guide explains how to compare customers at the same age.
Do not add more flows simply to increase the count. A small, coherent programme can be easier to maintain and more useful than a large collection of overlapping automations.
Review creative against a commercial decision
Check product truth, hierarchy, readability, links and the action the message asks the customer to take. Test important messages in the devices and email environments used by the audience. Keep a record of what quality assurance covers and who signs off.
For performance analysis, choose a primary metric and inspect the denominator. Printfresh's case study reports approximately 74% more revenue and 75% higher conversion for a first welcome email in a 30-day comparison, despite a slightly lower click rate. It concerns one message. The published report does not establish statistical significance, so it is a focused finding rather than a universal expected lift.
Make reporting definitions explicit
Record the conversion metric, attribution model, lookback windows and relevant handling of automated interactions. Klaviyo documents these controls in its attribution settings guide. Keep the definitions consistent before interpreting a before-and-after revenue change.
Compare campaign and flow performance separately. Use relevant industry and account benchmarks as context, then inspect changes in the brand's own customers. Channel-attributed revenue, total store sales, first-to-second purchasing, time to another order and contribution measure different things. A reliable audit should explain which question each number answers.
Turn the findings into a practical action register
Use a transparent priority label rather than a mysterious total. The example below is hypothetical and shows how to document a decision, not a proprietary scoring formula.
Finding | Priority and evidence | Owner and next action |
|---|---|---|
Buyers remain in a recovery sequence | Fix now: a traced purchaser still receives checkout prompts | Implementation owner checks purchase data and exclusions, then retests |
Reorder timing uses a fixed default | Investigate next: different first products show different intervals | Analyst reviews mature cohorts before changing the timing |
New creative concept is untested | Test after foundations: delivery and journey logic are sound | Strategist defines the hypothesis, primary metric and guardrails |
For each finding, capture the evidence date, affected population, expected consequence, dependency and review date. Distinguish a verified defect from a hypothesis. This prevents a persuasive-looking audit from turning guesses into an expensive build plan.
Frequently asked questions
How often should I audit a Klaviyo account?
Review critical health and journey indicators continuously as part of normal management. A deeper audit is useful after a migration, a material business change, a persistent performance problem or a change in ownership. Choose the cadence around the account's needs.
Is Klaviyo's deliverability score enough?
No. It addresses sender health. A complete audit also needs data checks, customer-journey logic, product adoption, measurement and operational ownership. Review the underlying delivery factors as well as the score.
Should every account have the same flows?
No. Build the journeys required by the business, customer needs, available data and channel permissions. Common welcome and recovery patterns are a starting point; post-purchase timing and progression should reflect the actual products and purchase behaviour.
What should an agency audit deliver?
An evidence-backed diagnosis, an ordered action plan and a clear distinction between fixes and tests. Ask who implements the work and who checks whether it solved the problem. See our agency hiring guide for ownership questions.
Review your account with Thrivelia
Thrivelia is a UK-founded lifecycle and retention agency with a hybrid team across London and Sofia. We connect account diagnosis with the customer journey through the Marketing Hourglass, then prioritise the work that the evidence supports.
Explore the Retention Resources hub, or see Thrivelia's Klaviyo services. UK-founded, with a hybrid team across London and Sofia.
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