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Retail / E-commerce

Re-platforming an Omnichannel Retailer: A 90-Day Performance & Conversion Turnaround

A legacy retailer struggling with 12-second page loads and 1.2% conversion rebuilt their e-commerce stack on Next.js and Shopify Plus. Within 90 days, page speed dropped to 0.8s, conversion rose to 3.8%, and mobile revenue jumped 156%. This case study details the rapid replatforming strategy, technical implementation, and measurable outcomes that delivered a complete turnaround in under three months.

12s → 0.8s
Page load time
1.2% → 3.8%
Conversion rate
+156%
Mobile revenue
-58%
Checkout abandonment
99.9%
Peak uptime
Re-platforming an Omnichannel Retailer: A 90-Day Performance & Conversion Turnaround

Challenge

The retailer operated a decade-old monolithic platform that couldn't keep pace with modern shopper expectations. Page load times averaged 12 seconds on mobile, checkout abandonment exceeded 78%, and inventory visibility was limited to batch updates every 4 hours. Peak season traffic caused crashes, and the lack of API integrations prevented automation across their 40 store locations and warehouse.

Solution

Webskyne executed an accelerated replatforming using Next.js frontend with Shopify Plus backend, implemented real-time inventory sync across all channels, optimized critical rendering paths, and introduced AI-driven product recommendations. The approach prioritized quick wins: above-the-fold performance, checkout flow simplification, and mobile-first design patterns.

Implementation Highlights

  • Next.js frontend with Shopify Plus headless integration
  • Real-time inventory sync via webhook pipeline (store, warehouse, POS)
  • Critical CSS extraction and image optimization pipeline
  • One-page checkout with Express payment integration
  • AI recommendation engine for product discovery

Outcomes

12s → 0.8s
Page load time
1.2% → 3.8%
Conversion rate
+156%
Mobile revenue
-58%
Checkout abandonment
99.9%
Peak uptime
Tech stack
Next.jsShopify PlusReactNode.jsRedisAWS
Timeline: 90 days
Next steps

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