01
Ecommerce Shopify Headless 2024

Fashion
Storefront

Headless Shopify storefront built for a Vietnamese fashion brand — sub-second load times, custom filtering, and a mobile-first shopping experience that increased conversion by 40%.

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40%
Conversion Increase
0.8s
Load Time (LCP)
98
Lighthouse Score
3mo
Timeline
⚠️
Problem

Client's existing Shopify theme was slow (6s+ load time), not optimized for mobile, and had a clunky checkout flow causing high cart abandonment — over 75%.

⚙️
Solution

Rebuilt as a headless storefront using Next.js + Shopify Storefront API. Custom product filtering, optimized images via CDN, and a streamlined 2-step checkout.

📈
Result

Load time dropped to under 1 second. Cart abandonment fell by 30%. Mobile revenue increased 55% within the first month of launch.

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How I Built It

01

Discovery & Audit

Analyzed the existing store using Lighthouse, WebPageTest, and Hotjar heatmaps to identify performance bottlenecks and UX friction points.

02

Architecture & Design

Designed the headless architecture with Next.js App Router, Shopify Storefront API, and a CDN-first image strategy. Wireframed key pages with the client.

03

Development

Built all pages, product filtering, cart, and checkout. Integrated with Shopify inventory, payments, and discount engine via GraphQL API.

04

Testing & Launch

Cross-browser and device testing, performance tuning, and phased launch with traffic monitoring. Handed off with full documentation.

Tools Used

Next.js 14 Shopify Storefront API TypeScript Tailwind CSS GraphQL Vercel Cloudinary Algolia Search Stripe

The Numbers

+40%
Conversion rate improvement within 30 days of launch
−30%
Cart abandonment rate reduction after checkout redesign
+55%
Mobile revenue growth in the first month post-launch

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you see?

Let's build something together.

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