$ cat /var/log/thoughts/tag/performance

Performance

Posts tagged with Performance.

Stop Treating localStorage Like a Database (It Will Bite You in Production)

localStorage has a 5-10MB limit, throws QuotaExceededError silently, and vanishes in Safari private browsing. Here are the five ways it breaks in production and what to use instead.

TutorialsJavaScriptWeb DevDebuggingPerformance1 min read · Apr 11, 2026

Next.js 16 Cache Components: The Feature Nobody Understands Yet

Next.js 16 cache components replace unstable_cache with the use cache directive, cacheLife, and cacheTag. A clear walkthrough of what changed, why it matters, and how to migrate.

TutorialsNext.jsReactTypeScriptCachingPerformanceWeb Dev1 min read · Apr 10, 2026