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Deep dives into React internals, V8 optimizations, frontend architecture, and web security. No beginner tutorials — just the internals most developers never explore.
Showing 1-10 of 54 posts
A deep technical guide to font optimization in Next.js. Learn how self-hosted fonts, CSS variables, and loading strategies reduce CLS, improve performance, and create consistent typography in production applications.
A deep technical guide to image optimization in Next.js. Learn how responsive images work, how the Image component optimizes loading, and how to configure formats, sizes, and caching for maximum performance.
A deep technical guide to revalidation in Next.js. Explore time-based and on-demand cache invalidation, ISR behavior, cache tags, and how to design data freshness strategies without sacrificing performance.
A deep technical exploration of backend process and thread management. Learn how servers handle concurrency through event loops, worker threads, process pools, and scheduling strategies that power scalable backend systems.
A deep technical exploration of backend stream processing systems. Learn how windowing works, how exactly-once semantics are achieved, how backpressure is handled, and how stateful operators power real-time data pipelines at scale.
A deep technical guide to Background Sync and Push API internals. Explore service worker push events, periodic sync, offline queues, retry strategies, and how modern web apps deliver reliable, real-time experiences even without constant connectivity.
A deep technical exploration of binary protocol design. Learn how Protobuf works, how custom wire formats are structured, and how serialization choices impact performance, bandwidth, and backward compatibility in distributed systems.
A deep technical guide to designing and parsing binary wire formats from scratch. Explore framing, encoding strategies, endianness, schema evolution, validation, and how to build high-performance parsers for distributed systems.
A deep technical guide to Async Context and AsyncLocalStorage in JavaScript. Learn how request context propagation works across async boundaries, how runtimes track execution state, and how to avoid parameter drilling in complex backend systems.
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Deep dives on React internals, V8, and frontend architecture — no fluff. Roughly twice a month.