100k Rows, Zero Lag - The Frontend Architect | The Data-Heavy Frontend | Build React apps that don't choke on 100,000 rows

The Data-Heavy Frontend Build React apps that don't choke on 100,000 rows.Most React tutorials teach you to build things that work in a demo. Almost none teach you what happens when real data shows up — hundreds of thousands of rows, live filtering, pivots, and a main thread that grinds to a halt.This is the field guide I wish I'd had when I hit that wall. Five hard-won lessons, drawn from building data-heavy enterprise frontends, that take you from "it works on my machine" to thinking like an architect: State — where every piece of state actually belongs, so your global store stops re-rendering half the screen Async — data fetching as a state machine: cancellation, race conditions, and clean separation of concerns Components — prop APIs that survive years of reuse instead of collapsing into a forest of boolean flags Performance — the full stack for large datasets: virtualization, Apache Arrow, in-browser SQL with DuckDB-WASM, and when to reach for each The mindset — the single habit underneath all of it Written for working React/TypeScript engineers who can build features but freeze when handed data that doesn't fit in a JavaScript array. Real code, real failure modes, real decision frameworks. Instant PDF download.Stop guessing why the browser froze. Start making deliberate architectural decisions.

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