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8 pages in this section.
What latency and throughput actually measure, why they aren't the same problem, and how to identify which stage of a Node service - event loop, CPU, GC, or a downstream call - is the real bottleneck before tuning it.
Learn Node.js performance basics with 8 examples. Measure request duration with hrtime and track p95 latency in application code.
Profile Node.js services with clinic.js tools. Use Doctor for health, Flame for CPU hotspots, and Bubbleprof for async I/O delays.
Optimize Node.js API performance under real traffic. Learn to establish baselines, measure latency, and maintain main thread hygiene for fast, efficient services.
A single-page roundup of every highlight bullet from the 7 pages in the Performance section, grouped by source page so you can scan all 28 takeaways without opening each article individually.