The challenge
Their legacy Liquid theme had a 4.2s LCP, no design system and a checkout riddled with breakages on flash-sale days.
Our approach
We rebuilt the storefront as a headless Next.js app on the Shopify Storefront API with Edge rendering, streaming PDPs and a component library in Storybook. Analytics was migrated to Shopify Pixel + GA4 with consent mode v2.
0.9s
LCP
+38%
CVR
99
Lighthouse
Outcome
LCP dropped to 0.9s on 4G. Lighthouse 99 across the board. Site-wide conversion +38% within 60 days, +52% on mobile.
“It feels like a native app now. Drops don’t break. Ops breathes easier.”
Tara Iyer
CTO, Northwind
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Content • 2024
Atlas Studios
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