![Why Your React App Feels Slow: V8 GC & INP Deep Dive [2026]](/_next/image?url=https%3A%2F%2Fik.imagekit.io%2Fbqu15hkfo%2Ffrontend-engineering%2Fv8-garbage-collector-performance-guide.png&w=384&q=50)
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Your React app isn’t slow, you’re missing what V8 is doing. Learn how garbage collection, heap snapshots, and INP optimization eliminate jank in 2026.
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