W5M
Menu

Apparel

Replatformed a legacy fashion site without losing trade

A UK heritage brand needed to migrate to a composable platform while maintaining SEO and peak-season stability.

Outcome

+18% conversion uplift in 90 days

Client: Heritage fashion retailer

Heritage fashion retailer

Brief

The retailer needed a phased migration away from a monolithic platform, with no downtime during seasonal campaigns and improved merchandising speed.

Approach

  • Audited the existing monolith and data contracts across merchandising tools.
  • Built a parallel composable stack with incremental traffic migration.
  • Created a cutover plan aligned to trading calendars.

Solution

  • Implemented a composable storefront with resilient catalog and pricing services.
  • Introduced automated QA gates tied to performance budgets.
  • Delivered a playbook for future feature rollouts.

Results

  • 35% faster page load on mobile storefronts.
  • 42% faster time-to-market for merchandising updates.
  • Zero critical incidents during the peak trading window.

Stack

Next.jsTypeScriptContentfulElasticVercel