Ship better performing apps and sites, faster.

Nothing to install, easy config: instant cloud based load testing for developers.

Load 25 virtual users in 5 mins, or sign up for a free account

Load Testing Behind the Firewall - Get Early Access

Run load tests locally ​from the command line, behind the firewall or from your CI environment, with k6.
Interpret the results in real-time with our Smart Performance Analysis Functionality. Get notified by Slack.

$ docker pull loadimpact/k6
$ cat script.js
import { check, sleep } from "k6";
import http from "k6/http";
export default function() {
    let res = http.get("https://httpbin.org/");
    check(res, {"is 200": (r) => r.status === 200});
    sleep(3);
};

$ docker run -i -e "K6CLOUD_TOKEN=<your token>" loadimpact/k6 run -o cloud -< script.js

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  • Spotify
  • NASDAQ
  • Salesforce
  • Sephora
  • Harvard University
  • Palo Alto Networks
  • Caesar
  • Paypal
  • NASA
  • Citrix
  • UEFA
  • Fender
  • Humana
  • Quicksilver
  • Carmax
  • Amazon

Three things Load Impact is great at

It's flexible, modern and easy to use

Automated testing
Automated testing

Integrate into your CD pipeline with our CI plug-ins or opt for full control with our API/SDKs. We will hook you up with analytics and notify you through Slack/HipChat via a webhook.

Learn more

API testing
API testing

A powerful scripting environment where you can create as simple or complex API scenarios as you need. You’ll have all the conveniences needed to test your web, mobile or IoT API.

Learn more

Web & Web app testing
Web & web app testing

Easily load test your website or web app. Record user scenarios using our Chrome extension or proxy recorder and configure a test with just a few clicks - no programming required. Easy-peasy-lemon-squeezy!

Learn more

Why Us

Because we know load testing better than anyone else. We've done it more than two million times!

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