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Client-Side API Load Benchmarker

Dev Core

Run concurrent fetch load tests against any CORS-enabled HTTP API — latency percentiles, throughput, histogram, and per-request results, 100% in-browser.

100% client-side

Browser fetch · concurrent load test

Hammer any CORS-enabled HTTP endpoint with configurable concurrency and request count. Measure latency percentiles, throughput, and failure rate — all from your browser.

URL

MethodRequestsTimeoutms

Headers (JSON)

Concurrency

5 parallel

Latency distribution