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2 posts
This react rerender tool flashes the guilty component
A react rerender tool paints a purple outline on the guilty memoized child. Drop the script before React, click once, then leave that Profiler closed.
Build AlongReactJavaScriptDeveloper ToolsDebuggingPerformance1 min read · Aug 25, 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.
Deep DivesNext.jsReactTypeScriptCachingPerformanceWeb Dev1 min read · Apr 10, 2026