<ul><li>Performance testing is critical for scalable web apps.</li><li>Performance testing helps uncover bottlenecks, load capacity, slow queries, resource usage, third-party service failures, and caching blind spots.</li><li>Key types of performance testing include load testing, stress testing, spike testing, soak testing, and scalability testing.</li><li>Tools that make performance testing easier and more efficient include k6, Apache JMeter, Locust, Artillery, Boomerang, and WebPageTest.</li></ul>

Why Performance Testing is Critical for Scalable Web Apps

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