The go-to open-source performance testing tool โ load, stress and spike testing for APIs and web apps.
Understand Thread Groups, Samplers, Listeners and Config elements โ the building blocks of every load test.
Use JMeter's built-in recorder to capture browser traffic and turn it into a replayable test plan.
Drive tests with dynamic user data from a CSV file โ usernames, passwords, search terms and more.
Fail a sample on wrong status code, body mismatch or response time exceeding your SLA threshold.
Spread load across multiple JMeter agents to simulate thousands of concurrent users from different regions.
Stream JMeter metrics to InfluxDB and visualise TPS, latency and error rates live in Grafana.