Skip to content
Performetic

Ecommerce Growth

What is an ecommerce growth audit? A checklist

Written by Published Last updated 5 min read
A black magnifying glass hovering over a miniature glossy black storefront lit red from inside: an ecommerce growth audit

In short

An ecommerce growth audit reviews tracking, advertising, site conversion, unit economics and repeat purchase together to find what limits a store's growth. Unlike a single-channel audit, it identifies the biggest bottleneck and sets priorities for the next 90 days. It always starts by checking that tracking is accurate.

Contents5 min read
  1. 01What is an ecommerce growth audit?
  2. 02How is a growth audit different from an ad account audit?
  3. 03When should you run a growth audit?
  4. 04Ecommerce growth audit checklist
  5. 05What questions should you ask in each area?
  6. 06How do you prioritise the findings?
  7. 07Can you run a growth audit yourself?
  8. 08What happens after the audit?
  9. 09Key takeaways

What is an ecommerce growth audit?

An ecommerce growth audit is a full review of tracking, advertising, site conversion, unit economics and repeat purchase, carried out to find what is limiting a store's growth. The goal isn't to fix everything. It's to find the biggest bottleneck and set priorities for the next 90 days.

That's the difference from a single-channel audit. A Google Ads audit looks at the Google Ads account. A growth audit asks what blocks sales even when ads work well: checkout, margins, stock or repeat purchase.

How is a growth audit different from an ad account audit?

Topic Ad account audit Growth audit
Scope One platform (Google, Meta, TikTok) Tracking, ads, site, product, customers, operations
Main question Is the account set up correctly? What limits growth the most?
Data sources Ad dashboard Ad dashboards, GA4, Search Console, store admin, accounting
Output Account fix list Prioritised action plan with estimated profit impact
Audience Ads team Brand owner and leadership

They complement each other. An ad account audit can be part of a growth audit, but not the other way round.

When should you run a growth audit?

These are the situations we see most often:

  • Revenue has been flat for a few months while ad spend keeps rising.
  • Ad dashboards look profitable, but the bank account says otherwise.
  • You want a clear picture before opening a new channel (TikTok, marketplaces, international).
  • You changed agency or team and want to understand the setup you inherited.
  • You want to close bottlenecks before a big peak such as Black Friday.

For a brand-new store with zero sales, a full growth audit is usually premature. Confirming the basics work (tracking, checkout, product pages) is enough at that stage.

Ecommerce growth audit checklist

We group the audit into six areas. The order is deliberate: if tracking isn't reliable, every finding further down is suspect.

  1. Tracking and data accuracy. Compare the last 30 days of orders across your store admin, GA4 and ad platforms. Check that GA4 fires view_item, add_to_cart, begin_checkout and purchase correctly; Google's GA4 ecommerce documentation lists the full set of recommended events. Consent Mode and Conversions API setup belong here too.
  2. Unit economics. Gross margin, shipping, payment fees and return costs by product or category. Use them to calculate break-even ROAS. Our guide on calculating ecommerce profit margin walks through it step by step.
  3. Traffic and channel mix. How much revenue comes from paid ads, organic, direct and email? Dependence on a single channel is one of the biggest risks. In Search Console, review branded and non-branded queries separately.
  4. Ad efficiency. Match spend to profit by campaign and product. Non-converting search terms, budget going to unprofitable products and overlapping audiences show up here.
  5. Site conversion. Product page, cart and checkout. For mobile speed, use web.dev's Core Web Vitals thresholds: LCP 2.5 seconds, INP 200 milliseconds, CLS 0.1. At checkout, look at shipping cost, installment, cash on delivery and guest checkout options.
  6. Repeat purchase and lifetime value. The share of first-time customers who come back for a second order, whether email and SMS automations are working, and compliance with Turkey's IYS consent system.

What questions should you ask in each area?

To make the checklist practical, use one set of questions per area:

  • Tracking: How big is the gap between store, GA4 and ad platform order counts? If it's large, do you know why?
  • Economics: What is the contribution margin of your five highest-spend products? On which one are ads actually losing money?
  • Channels: If Google or Meta ads stopped this month, how much would revenue drop?
  • Ads: What share of spend went to campaigns, products or search terms with zero sales in the last 30 days?
  • Site: What share of shoppers who add to cart reach checkout? Is there a gap between mobile and desktop?
  • Customers: Of the customers who placed a first order in the last 12 months, how many bought again?

How do you prioritise the findings?

An audit usually produces 20 to 40 findings. Tackling them all at once means finishing none. A simple scoring system helps: give each finding a 1 to 5 score for impact (effect on profit), confidence (how solid the data is) and effort (days of work), then multiply impact by confidence and divide by effort.

Example: a shipping fee that only appears on the last checkout screen is high impact, high confidence and low effort, so it goes to the top. A full site redesign is high effort and should be validated with small tests first.

A mistake we see often is treating the most visible finding, such as tired ad creative, as the most important one. If budget is flowing to a product with negative margin, even the best creative only speeds up the loss.

Can you run a growth audit yourself?

Yes, at least parts of the tracking and site conversion areas. If you have access to GA4, Search Console and your ad dashboards, you can start with the question set above. It usually gets hard in two places: connecting the data (matching ad spend to profit by product) and judging the findings objectively. A team looking from the inside can struggle to see problems in a setup it built.

If you bring in an outside audit, ask for three things: the source of each finding (which report, which date range), its estimated profit impact and a recommended order. A list that only says "these are missing" isn't an action plan.

What happens after the audit?

A good audit ends in a 90-day plan: tracking fixes in the first two weeks, then the three to five highest-scoring actions, then measure and reprioritise. Give every action an owner and a metric. Example: "Add guest checkout; owner: design team; metric: cart-to-purchase rate." We list the KPIs worth tracking in which KPIs an ecommerce business should track.

Key takeaways

  • A growth audit reviews tracking, ads, site, unit economics and repeat purchase together to find the biggest bottleneck.
  • Unlike an ad account audit, it asks "what limits growth" instead of "is the account set up correctly".
  • If tracking isn't reliable, other findings are suspect, so an audit always starts with tracking.
  • Prioritise findings by impact, confidence and effort; don't tackle them all at once.
  • The output should be a 90-day plan with an owner and a metric for every action.

Every Performetic engagement starts with this kind of analysis; we describe the approach on our growth strategy service page. If you'd like to see your store's bottleneck, request a free growth audit.

Frequently asked questions

What does an ecommerce growth audit cover?

It covers six main areas: tracking and data accuracy, unit economics and margin, traffic and channel mix, ad efficiency, site conversion, and repeat purchase. The aim isn't to find problems everywhere, but to identify the bottleneck that limits growth the most and produce a prioritised action plan for the next 90 days.

Is a growth audit the same as a Google Ads audit?

No. A Google Ads audit checks whether one ad account is set up correctly. A growth audit is broader and includes ads, but also looks for bottlenecks that don't show up in ad dashboards, such as checkout, margins, stock, channel dependence and repeat purchase. An ad audit can be one part of a growth audit.

How long does a growth audit take?

It depends on store size and how quickly data access is granted. For a small or mid-sized ecommerce site, data gathering and analysis usually take a few days to two weeks. The slowest parts are matching ad spend to profit by product and finding the cause of tracking gaps.

What should you do first after the audit?

Fix tracking first, because every later decision depends on it. Then rank findings by impact, confidence and effort, and focus on the three to five highest-scoring actions. Give each action an owner and a metric, then measure results after two to four weeks and reprioritise the list.

Sources

  1. Google Analytics: Measure ecommerce
  2. web.dev: Web Vitals
  3. Search Console Help: Performance report

Your ad budget deserves more.

We review your store and ad accounts and send you three concrete growth opportunities, free of charge.

Get a free audit
Get a free audit