NexaCommerce

PORTFOLIO/NEXACOMMERCE

WEB / E-COMMERCE

NexaCommerce

Speed is the product.

Year
2024
Duration
10 weeks
Team
3 engineers
Industry
Fashion E-Commerce
NexaCommerce mockup

What We Delivered

Conversion lifted 42% in the first month. Average order value increased 18% because the faster experience reduced decision fatigue. The brand's Black Friday campaign — running on the new stack — processed 4,200 orders in 6 hours with zero downtime.

42%
conversion rate lift

Core Stack

Next.jsTypeScriptStripeSanity CMSVercel Edge

The Challenge

A premium fashion brand was hemorrhaging carts to slow load times and a checkout that felt like a customs form. Their Shopify store was hitting 38 on PageSpeed and converting at 1.2%. Every second of delay was costing them thousands.

Our Solution

We rebuilt the entire stack on Next.js 14 with edge rendering, atomic image delivery via Cloudinary, and a one-tap Stripe checkout. We eliminated every unnecessary redirect, lazy-loaded below-the-fold content aggressively, and reduced the checkout to three fields. Page Speed jumped from 38 to 97.

What We Built

Key Features

Edge-Rendered Storefront

Every product page rendered at the CDN edge — sub-200ms TTFB globally, no cold starts.

One-Tap Checkout

Stripe Link integration reduces checkout to a single tap for returning customers. Cart abandonment dropped 31%.

Atomic Image Delivery

Cloudinary pipeline serves the exact pixel dimensions needed per device. No oversized images, ever.

Algolia Instant Search

Sub-50ms search across 8,000 SKUs with typo tolerance and personalised ranking.

Sanity CMS

Merchandising team can update collections, banners, and copy without a developer. Deploy in seconds.

Real-Time Inventory

Stock levels sync every 30 seconds. No more overselling or disappointing sold-out surprises at checkout.

Under the Hood

Full Tech Stack

Next.js 14TypeScriptStripe CheckoutSanity CMSVercel Edge FunctionsAlgoliaTailwind CSSFramer Motion

How We Did It

Our Process

01

Audit & Benchmarking

1 week

Full performance audit of the existing Shopify store. Identified 23 specific bottlenecks causing the 38 PageSpeed score.

02

Architecture Design

1 week

Designed the Next.js + Sanity + Vercel Edge stack. Mapped every data flow from CMS to checkout.

03

Storefront Build

4 weeks

Product pages, collection pages, search, and filtering. Every component server-rendered at the edge.

04

Checkout & Payments

2 weeks

Stripe integration with Link, Apple Pay, and Google Pay. Three-field checkout flow.

05

Migration & Launch

2 weeks

Zero-downtime migration from Shopify. 301 redirects preserved all SEO equity. Launched on a Tuesday at 2am.

"
We went from embarrassed about our website to showing it off at every meeting. The speed difference is something customers actually comment on. Revenue is up and the team can finally update the site themselves.
JW
James Whitfield
Head of Digital, NexaCommerce

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