Headless Shopify Specialists
16+ Yrs Ecommerce Experience

We Build Stores
That Never
Slow Down.

Headless Shopify specialists — we migrate D2C brands to a blazing-fast Next.js storefront, powered by Shopify behind the scenes.

No downtime. No theme limits. No compromises.

2–3×
Faster than your current Shopify theme
0
Downtime on launch day, ever
100%
Custom frontend — zero theme constraints
Next.jsHeadless ShopifyReactStorefront APIPerformanceZero DowntimeCustom FrontendSpeedConversionsD2C BrandsTypeScriptTailwind CSSNext.jsHeadless ShopifyReactStorefront APIPerformanceZero DowntimeCustom FrontendSpeedConversionsD2C BrandsTypeScriptTailwind CSS
The Problem

Shopify themes break
when brands scale.

01Traffic Spikes

Site goes down on sale day

Flash sales. Festive drops. Product launches. The moment traffic spikes, your Shopify theme crumbles. Every crash is five, six, sometimes seven figures in lost revenue — in a single hour.

02Page Speed

Mobile is too slow to convert

Over 70% of D2C traffic now comes from mobile. Bloated Shopify theme JS, render-blocking scripts, and 5–8 second load times are silently killing your conversion rate every single day.

03Design Freedom

Your vision is bigger than your theme

You know exactly what your store should feel like. Your theme doesn't. Every unique feature becomes a hacky workaround. Custom sections slow everything down. The ceiling is low — and you can feel it.

The difference is measurable

6s
Shopify Theme
Headless
<1s
HeadlineHQ
Recent work

See what we've built.

Real D2C brands. Real before / after. Hover to pause.

www.vasansi.net
Vasansi — desktopVasansi — desktop
Case Study · Vasansi

A headless rebuild that took mobile load from ~4.8s to under a second.

Same Shopify backend, completely new Next.js storefront. We replaced a heavy, slow theme with a custom headless build that ships 100× lighter HTML and gives the brand full design freedom.

  • Shopify theme → headless Next.js storefront
  • ~4.8s load → under 1 second on mobile
  • 100× lighter initial HTML, all Core Web Vitals green
  • Custom design system, no theme limits
See full case study
What We Do

Headless Shopify.
Built to scale.

Shopify is great at what it does — orders, payments, inventory, checkout. We leave all of that alone. What we rebuild is the part your customers actually see: the storefront.

We replace your Shopify theme with a custom Next.js + React frontend connected to Shopify via the Storefront API. The result: pages that load in under a second, a UI with zero theme constraints, and a store that can handle any traffic you throw at it.

Architecture Overview

Shopify BackendUnchanged ✓
OrdersPaymentsInventoryCheckoutCustomers
STOREFRONT API
Next.js FrontendRebuilt by us ✦
ReactTypeScriptTailwind CSSFramer MotionEdge CDN
< 1s
Load time
99.9%
Uptime
100
Lighthouse
Services

What we build

All Services
Core Service

Headless Shopify Migration

End-to-end rebuild of your Shopify storefront in Next.js. Your store keeps running on Shopify — we just replace the frontend with something dramatically faster and fully custom.

Get a quote
Integration

Storefront API Setup

Already have a frontend? We wire it up to Shopify — products, cart, checkout, customer accounts, metafields — all via typed GraphQL queries.

Get a quote
Development

Next.js Frontend Build

Figma to production-ready Next.js. Component library, App Router, TypeScript, image optimization, SEO — everything a modern storefront needs.

Get a quote
Optimization

Shopify Performance Audit

Not ready to go headless yet? We audit your existing store — Core Web Vitals, JS bloat, render blocking — and fix what's slowing you down today.

Get a quote
How It Works

From slow Shopify theme
to headless in 4 steps.

01Week 0

Discovery Call

We analyse your store — Core Web Vitals, theme performance, bottlenecks. You get a full report and a clear recommendation. No commitment.

02Weeks 1–2

Strategy & Design

We map the architecture and design the new frontend — component library, page layouts, interaction patterns — all in Figma first.

03Weeks 3–8

Build & Integrate

We build the Next.js frontend and connect it to your Shopify via Storefront API. Full test coverage. Performance benchmarked continuously.

04Week 9+

Launch & Support

Zero-downtime cutover. Your customers see a dramatically faster store. We stay on for 30 days post-launch to handle anything that comes up.

Why HeadlineHQ

Specialists, not
generalists.

Most agencies do everything — branding, WordPress, social media, and Shopify on the side. We do one thing: headless Shopify. That's it. Which means every tool we've built, every pattern we know, every problem we've solved has been in this exact space.

We're a lean, remote-first team, which means enterprise-quality work at a fraction of what a London or New York agency would charge — without any compromise on output.

Headless-only focus

We don't do WordPress. We don't do Webflow. We don't do branding. We do headless Shopify, and we do it extremely well.

You own everything

The code, the repo, the infrastructure — it's all yours. No vendor lock-in, no proprietary CMS, no ongoing platform fees to us.

Built for modern D2C

We understand mobile-first consumer behaviour, high-traffic sale events, COD and international payment flows, and the performance expectations of users on unreliable networks.

Transparent, fixed pricing

No hourly billing surprises. We scope each project and give you a fixed number. You know exactly what you're getting and what it costs.

Is This For You?

You're ready for headless if…

Your Shopify store does ₹10L+ in monthly revenue

You've experienced crashes or slowdowns during sales

Your mobile conversion rate is lower than it should be

Your designer is constantly hitting theme limitations

You're planning a major campaign and can't afford downtime

You want a storefront that truly reflects your brand's quality

Bundled with every build

Nine automations.
Running on autopilot.

The repetitive, error-prone work your team shouldn't be doing manually — handled silently in the background, every day, on every store we ship.

01 / 09 · REPORTING

Order Report Generator

Daily or weekly order reports, formatted as clean Excel files and delivered to your inbox automatically — no logins, no exports, no manual work.

Read more
No Commitment Required

Let's look at your store
together.

Send us your store URL. We'll run a free performance audit and tell you exactly what headless would unlock for you — in plain language, with real numbers.

Contact Us

We usually reply within 1–2 hours. No pressure, no sales call.