Most Shopify brands think they’re data-driven… until they compare Shopify vs GA4 vs ad platform numbers and realise nothing matches.In this episode of Winning With Shopify, Nick sits down with Tom Armfelt (ex–TK Maxx eCommerce + analytics) to break down the hidden tracking issues, why “best practice” can slow you down, and the metrics that actually matter when you want profitable growth.You’ll learn how enterprise teams (like TK Maxx) approached fast experimentation, why A/B tests often fail in the real world, and how to simplify your Shopify stack without losing performance - while focusing on powerful metrics like Revenue Per Visitor (RPV) and Profit Per User (PPU).What you’ll learn in this episode:Why your tracking can look “correct” but still be wrong (GA4 dashboards ≠ truth)The biggest Shopify analytics mistakes (and how to fix funnel consistency)Why RPV beats conversion rate as a growth KPIHow PPU changes your ad strategy (and reveals what’s truly profitable)The real reason A/B testing often isn’t reliableHow app overload silently slows sites + muddies your dataWhy buying your own product reveals UX problems instantlyLessons from TK Maxx: product turnover, SEO constraints, and moving faster at scale🎟️ Shopify Summit — Sept 1, 2026: Visit www.wwspodcast.com to join the newsletter for updates, speaker teasers, and sponsor opportunities.📩 Want to sponsor an episode or get involved? Email: [email protected] WWS OFFERS:Get a short, tactical session with insights on things like tax reconciliation, returns, compliance, and more - all led by experts from the tools top brands rely on. Sign up now at ⁠⁠https://taxcloud.com/summer/⁠⁠Join the bootcamp and elevate your inventory game: ⁠⁠https://info.brightpearl.com/winning-with-shopify-holiday-planning-bootcamp⁠⁠Winning With Shopify listeners get 20% off the first three months of Seguno Email Marketing with code WWS20: ⁠⁠⁠https://seguno.com/winningwithshopify⁠⁠Check out Yoast and get 15% off ALL monthly Shopify purchases for the first 6 months using code WWS15! ⁠⁠https://yoast.com/winningwithshopify-exclusive/⁠⁠Key Takeaways:00:02 – Beyond E-commerce Best Practices03:02 – TK Maxx’s E-commerce Journey Explained05:48 – Startup Agility vs Corporate Processes06:45 – TK Maxx: A Startup With Enterprise Backing08:10 – Corporate Budgets & Idea Socialization09:42 – How to Move Faster in E-commerce10:15 – The Unique TK Maxx Customer Buying Cycle10:42 – SEO Strategy: Removing Google URLs11:32 – Aligning SEO, PR & Merchandising12:17 – Organizational Knowledge Retention Challenges15:09 – Leveling the E-commerce Playing Field16:49 – Shopify App Overload Pitfalls17:16 – Hidden Website Data Layers & Plugins19:37 – Using AI for E-commerce Data Integration20:17 – The Challenges of Reliable A/B Testing22:09 – Buy Your Own Product: See the Customer View26:03 – Implementing Product Reviews Effectively30:29 – Revenue Per Visitor (RPV) Explained31:43 – Profit Per User (PPU) for Shopify Stores38:17 – Homepage vs Product Page Landing StrategyFollow us on socials:https://www.instagram.com/winningwithshopifypodcast/https://www.tiktok.com/@winningwithshopifyhttps://www.youtube.com/@winningwithshopifyJoin our newsletter: https://wwspodcast.com/Proudly powered by Spec Digital, a world class SEO Agency and PPC AgencyBecome a sponsor: https://wwspodcast.com/pages/sponsorship