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Professional HTTP load testing. See how your site handles real traffic with real-time metrics, percentile breakdowns, and connection timing. 100% free — no credit card required.
Choose the right load pattern for your testing scenario
Distribute N clients over the test duration with controlled ramp-up and ramp-down. Perfect for gradual load profiling and finding breaking points.
Launch N new connections every second. Total load grows continuously throughout the test. Ideal for stress testing and capacity planning.
Keep N concurrent clients active for the entire test duration. As clients complete, new ones spawn instantly. Best for sustained load simulation.
Every metric you need to understand your site's performance
Average, P50, P95, and P99 latency percentiles. See exactly how your slowest requests perform under load.
Live throughput counter updated every second. Watch your server's capacity in real time as load increases.
Track HTTP status code distribution (2xx, 3xx, 4xx, 5xx) and see exactly when errors start appearing.
Full breakdown: DNS lookup, TCP connect, TLS handshake, and time-to-first-byte. Pinpoint bottlenecks instantly.
Bytes sent and received tracked per second. Understand your bandwidth consumption under different load levels.
Live count of concurrent connections. Correlate user count with response times to find your optimal capacity.
From signup to results in under 5 minutes
Add a small verification file to your web root to prove ownership. Takes under a minute.
Choose your test type, set the number of virtual users, pick a duration, and select your target URL.
Real-time charts update every second. See response times, throughput, errors, and connection timing as the test runs.
Our load testing engine is a custom-built C binary designed for maximum connection throughput. No shared infrastructure, no noisy neighbors — dedicated servers generate clean, consistent load.
No limits, no trials, no credit card. Just load testing.
Setup takes under 5 minutes
Find out how your site performs before your users do.
Free forever • No credit card • Results in minutes
