Load testing for websites, web apps, and REST APIs

What is Blitz?

Build bulletproof, scalable solutions with Blitz - a simple and fun service for load testing web apps and APIs in the cloud. Blitz offers powerful yet simple capabilities including continuous monitoring, performance testing and remediation. Blitz enables you to instantly burst up to 50,000 concurrent users against your app in seconds from multiple points of presence around the world.

Blitz is a tool in the Load and Performance Testing category of a tech stack.

Who Uses Blitz?

Blitz integrates with

Heroku, New Relic, CloudFlare, PagerDuty, and OpenShift are some of the popular tools that integrate with Blitz. Here's a list of all 11 tools that integrate with Blitz.

Why people like Blitz

Here’s a list of reasons why companies and developers use Blitz.



Add a one-liner

Blitz's Features

  • Complex transactions- Whether you want to test a web page or a complex transaction , Blitz makes it easy for you to determine the number of users you can support.
  • Detailed feedback- Get detailed statistics and feedback in real time, and in plain English
  • Plugins- With our extension for Chrome or add-on for Firefox , just navigating to a webpage and run a performance test. Blitz takes care of the cookies, authentication and all the other underlying complexities.
  • Automation- With the Ruby GEM and full integration with Continuous Integration servers like Atlassian's Bamboo CI server, automated performance testing can ensure that no code push can cause a poor experience for your users.
  • Remediation- Making changes to a web page, application or API can have unintended consequences. Blitz can extract information from your monitoring solution like Google Analytics®, etc. and create a load test to verify the fix.
  • Monitoring, and Remediation also available

Blitz's alternatives

  • Gatling - open-source load testing framework based on Scala, Akka and Netty
  • Locust - Define user behaviour with Python code, and swarm your system with millions of simultaneous users
  • Loader.io - Simple Cloud-based Load Testing
  • AWS Device Farm - Test your app on real devices in the AWS Cloud
  • BlazeMeter - The Load Testing Platform for Developers

See all alternatives to Blitz