“web-performance”
Web Performance: Caching Strategies and CDNs
Practical caching strategies and CDN setup for web apps — HTTP cache headers, cache invalidation, service workers, and CDN configuration for global delivery.
Observability for Web Apps: RUM and Error Tracking
A practical guide to real user monitoring and error tracking for web apps — measuring Core Web Vitals, capturing console, page, and network errors, and shipping batched telemetry to your own analytics backend.
Streaming SSR, Islands, and the New Rendering Paradigm
How React Server Components, Suspense streaming, and islands architecture replaced monolithic hydration — and how to compose static shells, streamed regions, and interactive islands in one page.
The Cost of JavaScript: Bundle Size Optimization
Why a kilobyte of JavaScript costs more than a kilobyte of anything else, and how tree shaking, code splitting, dependency audits, and CI budgets keep bundles lean.
Astro Islands: The Future of Content Sites
Zero JavaScript by default, hydrated islands on demand. How Astro's islands architecture ships fast content sites without sacrificing interactivity.
Core Web Vitals: Diagnosing Performance in 2026
LCP, INP, and CLS in 2026: the thresholds that matter, how to read field data from CrUX and Search Console, and the diagnostic workflow that finds the real bottleneck.