Universal Toolbox

Stress Test

Load Lab

Stress Test

Online stress testing to validate website or API performance, concurrency, and throughput.

Concurrency

2

Repeat

5

Method

GET

Duration

10s

Start Stress Test

GET requests do not carry params here.

Separate multiple headers with semicolons (;).

sec
Test Results

Click “Start Stress Test” to view live results.

Click “Start Stress Test” to view live results.

About This Tool

A fast, lightweight online stress tester supporting multiple URLs, custom headers, POST/JSON payloads, and duration control.

Highlights

  • Batch URL concurrency to reach peak load quickly.
  • Configurable duration and repeat count to mirror real scenarios.
  • Supports POST/JSON payloads for broader API coverage.
  • Custom headers to carry auth and context data.

Parameters

  • Concurrency: Requests launched at the same time.
  • Repeat: Total requests = concurrency × repeat.
  • Duration: Total test time (seconds).
Online Stress Test Tool - Website Performance Testing