Locust - A modern load testing framework | Website analytics by TrustRadar
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locust.io Software Development Load Testing Open Source

Locust - A modern load testing framework

An open source load testing tool. Define user behaviour with Python code, and swarm your system with millions of simultaneous users.

Locust is an open-source load testing tool. It allows you to define user behavior with Python code, and swarm your system with millions of simultaneous users. It's designed to be easy to use, scalable, and able to test any system.

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Founded in

2011

Supported Languages

English, etc

Website Key Features

Easy to Use

Locust is designed to be straightforward and easy to use, with a simple setup process and intuitive Python-based scripting.

Scalable

Capable of simulating millions of users, Locust can scale to meet the demands of any load testing scenario.

Real-time Web UI

Locust provides a real-time web interface to monitor the progress of your tests, showing statistics and allowing you to start and stop tests on the fly.

Distributed & Scalable

Supports running tests distributed across multiple machines, enabling you to simulate millions of simultaneous users.

Python-based

Test scenarios are written in Python, making it accessible to a wide range of developers and allowing for complex user behavior simulation.

Customizable

With Python at its core, Locust is highly customizable, allowing for the creation of complex test scenarios.

Open Source

Locust is open-source, meaning it's free to use and modify, with a community contributing to its development.

Additional information

License

Locust is released under the MIT license.

Community

Locust has a vibrant community of users and contributors, with active discussions and contributions on GitHub and other platforms.

Documentation

Comprehensive documentation is available, covering installation, usage, and advanced features, making it easy for new users to get started.

Integration

Locust can be integrated with CI/CD pipelines and other tools for automated testing workflows.

Performance

Designed for high performance, Locust can efficiently simulate a large number of users with minimal resource usage.

HTTP headers

Security headers report is a very important part of user data protection. Learn more about http headers for locust.io