“Our old Magento site was costing us customers every day. NextGen Digital Craft rebuilt it in Next.js in 8 weeks and our mobile conversion rate more than tripled. The results were beyond what we expected.”
The Challenge
Legacy Magento site with a Lighthouse score of 42. Mobile drop-off rate at 74%. Conversion rate below 1% despite high ad spend.
- Lighthouse performance score of 42 — site failing Core Web Vitals
- Mobile page load time averaging 8.3 seconds — losing 74% of mobile visitors
- Checkout flow requiring 6 steps — 68% cart abandonment rate
- Unoptimised images accounting for 4.2MB average page weight
The Solution
Full platform rebuild on Next.js 14 with edge CDN, automated image optimisation pipeline, and a redesigned 3-step checkout.
Performance audit and architecture planning. Next.js 14 migration strategy defined.
Core platform rebuilt on Next.js. Edge CDN configured. Image pipeline automated — average page weight reduced from 4.2MB to 380KB.
Checkout redesigned from 6 steps to 3. Mobile UX overhauled. Lighthouse score reached 91.
UAT, content migration, QA, and launch. Zero downtime deployment.
The Result
Lighthouse score 42 → 94. Mobile conversion rate up 210%. Revenue increased 56% in the first 90 days post-launch.
- Lighthouse score from 42 to 94 — all Core Web Vitals in green
- Mobile page load time: 8.3s → 1.1s
- Mobile conversion rate increased 210%
- Revenue up 56% in the 90 days post-launch vs same period prior year