SQLite Persistence on the Web
by conrad-hofmeyr
SQLite in the browser is already production-ready if you pick the right VFS — OPFS with synchronous access handles solved the persistence and sync/async impedance mismatch that held it back for years.
performance
(9)We Ralph Wiggumed WebStreams to Make Them 10x Faster
by malte-ubl
Vercel built fast-webstreams, a spec-compliant drop-in replacement for WHATWG Streams that achieves 3-14x throughput improvements by eliminating per-read Promise allocations and routing pipeline chains through Node.js internals.
Native-Grade Web Apps with Local-First Data
by johannes-schickling
Web apps can rival native quality by replacing server-centric data architecture with client-side SQLite and automatic sync engines, eliminating loading states and enabling instant responsiveness
Alien Signals Deep Dive
by johnson-chu
The fastest JavaScript reactive system achieves its performance through linked-list subscriptions, JIT-friendly monomorphic functions, iterative DFS propagation, and aggressive dependency-list reuse—not clever algorithms but relentless micro-optimization.
Building docfind: Fast Client-Side Search with Rust and WebAssembly
by joao-moreno
A client-side search engine built entirely in Rust and WebAssembly can deliver sub-millisecond queries without external dependencies—Copilot made the unfamiliar stack approachable.
Introducing: React Best Practices
by shu-ding, andrew-qu
Performance problems compound over time, so optimization work should follow a strict priority order: eliminate waterfalls first, reduce bundle size second, then progressively address server-side, client-side, and re-render issues.
GraphQL Performance Issues at Netflix Scale
by steven-chambers
At Netflix's scale of 160 million resolver executions per second, even innocuous framework code can become a critical bottleneck. Doubling fleet efficiency came from fixing a simple introspection API call.
Optimizing GitHub Actions Workflows for Speed
by marcus-felling
Practical techniques to speed up GitHub Actions workflows through caching, parallelization, matrix builds, and conditional execution.
The why and how of building a local-first music app
by johannes-schickling
Building a native-quality music app in the browser requires treating the web as a game engine problem — custom schedulers, canvas rendering, and event-sourced SQLite replace the standard toolkit when you refuse to accept spinners.