Big Brain
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Service · Engineering

Fast websites and online stores that load instantly and turn visitors into customers.

The problem

A slow website costs you customers. A fast one earns them.

We build websites and online stores that load in under 2 seconds, look great on every device, and turn visitors into paying customers. Built on modern tech, ready to scale.

Our approach

What makes ours different.

  1. 01

    Performance is a feature.

    ≥95 Lighthouse on mobile and desktop. LCP under 2 seconds. INP under 200ms. Non-negotiable, not aspirational.

  2. 02

    Design as a system, not a deliverable.

    Every site we ship comes with an internal design-system route — tokens, components, motion — so the team that inherits it can extend it without us.

  3. 03

    Conversion engineered in.

    Forms, checkouts, demo flows — instrumented, A/B-able, measured. The site doesn't just look good; it earns.

Want this for your business?

Thirty minutes, a real conversation, and a clear read on whether we're a fit. No deck-ware.