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

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.

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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.

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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!

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Why Us

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

tests executed

Trusted by

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