Sourcez Next.js Fashion Store Case Study

Client

Sourcez is a premium fashion retailer from Cyprus offering women’s and men’s collections from leading designers. Its website has to combine the aesthetics of a luxury boutique with convenient online shopping and is designed for an international audience.

Challenges

For a premium brand, the storefront must load instantly and look flawless on any screen. Sourcez decided to launch in two phases: first a fast catalog platform, then a full online store in the same design, without redoing the interface.

The audience: women and men aged 25–45 who buy designer clothing, footwear and accessories, fashion enthusiasts, regular customers with a profile and wishlist, and mobile users.

Storefront speed: catalogs and brand pages open without delay.
A single design system: one set of components for both project phases.
Mobile convenience: responsive from 360 to 1920 px, with the option to install the site as an app.
A foundation for sales: product page, cart and checkout prepared for the store release.

Solution

Storefront structure. We designed sections for women’s and men’s clothing, new arrivals and designers, along with filters, sorting, search and flows from the storefront to the cart.
A component-based design system. We assembled tokens and components on Radix UI and shadcn/ui with Framer Motion animations, with careful attention to the mobile version.
A Next.js catalog. Server-side rendering and incremental page regeneration, catalog, profile and wishlist data in Supabase, hosted on the Vercel edge network.
The site as an app. A PWA that installs on a phone, works offline and caches critical resources; priority media loading.
Phase two on React. We carried over the same UI kit and built the product page, cart and checkout for the upcoming store release.

Results

49% faster TTFB thanks to server-side rendering on Vercel and HTTP/3.
PageSpeed 95+ on key templates: catalog, brand page, product page.
More views per session thanks to a clean interface and fast navigation.
PWA: installation on a phone, offline mode, caching.
The design system is ready for the store release without duplicated work.

Technical details

Platform: Next.js 14.2.32 and React, Tailwind CSS, Radix UI, shadcn/ui, Framer Motion, hosting on Vercel.
Integrations: Supabase and PostgreSQL (data, authentication, storage), GA4, Google Tag Manager.

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