description nGrinder Overview
nGrinder is an open-source, cross-platform tool used to measure and diagnose website performance by simulating multiple concurrent users accessing a site and reporting on response times, server load, and other key metrics.
help nGrinder FAQ
What is nGrinder used to test?
nGrinder is used for load and performance testing of web applications and other services. It can generate concurrent traffic and report response times, errors, and throughput.
Who developed nGrinder?
nGrinder was developed and released by NAVER as an open-source performance testing platform. It builds on technologies including The Grinder.
Can nGrinder run tests across multiple agent machines?
Yes. Its controller-and-agent architecture allows load generation to be distributed across multiple agents. This helps create larger test loads than one workstation can usually produce.
Does nGrinder measure browser Core Web Vitals?
No. nGrinder focuses on generated requests and service performance rather than rendering pages in a real browser. Core Web Vitals require browser-based measurement such as field data or a rendering tool.
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