Architecture That Feels Instant

Speed isn't a Lighthouse score — it's whether the interface responds the instant a user acts. This post connects Core Web Vitals to the architectural decisions that actually move them: how you split bundles, where you render, how data reaches each component, and which work you defer off the critical path. I walk through the audit I run on React and Gatsby apps to find the handful of changes that make a product feel instant, not just measure fast.