Siege
Siege is an open source load testing and benchmarking utility for web applications. It allows developers to put load on a web server to test application stability and performance under heavy load.
load-testing
benchmarking
web-application
Siege: Open Source Load Testing and Benchmarking Utility
Test web applications stability and performance under heavy load with Siege, an open source tool for load testing and benchmarking.
What is Siege?
Siege is an open source load testing and benchmarking utility designed specifically to test web applications. It allows developers to simulate a large number of concurrent users accessing a web application to test its performance and stability under heavy load.
Some key features of Siege include:
- Ability to simulate hundreds or thousands of concurrent users from a single machine
- Flexible configuration of user scenarios and access patterns
- Text-based output for statistics like response times, transaction rates, concurrence levels, and response status
- Authentication support with GET, POST, Basic Auth, Cookies, etc.
- SSL/TLS support
- Customizable HTTP header values
- Docker support for easier cloud deployments
- Scriptable using command files for automated tests
Siege is often used for capacity planning, benchmarking against alternative solutions, analyzing application bottlenecks, and monitoring web application performance over time. It is free and open source, available for Linux, Solaris, and macOS platforms.
Siege Features
Features
- Load testing
- Stress testing
- Benchmarking
- HTTP/HTTPS protocol support
- Authentication support
- Concurrent virtual users
- Customizable test scenarios
- Command line interface
- Detailed performance metrics
Pricing
- Open Source
Pros
Open source
Lightweight and easy to use
Cross-platform
Highly customizable
Can simulate thousands of concurrent users
Good for testing app scalability
Cons
Limited reporting compared to commercial tools
Steep learning curve
Only supports web apps, not other services
No GUI
Can underestimate large-scale production loads
Official Links
The Best Siege Alternatives
Top Development and Testing and other similar apps like Siege
Here are some alternatives to Siege:
Suggest an alternative ❐
Apache JMeter
Apache JMeter is a versatile open-source tool designed for performance and load testing of applications, allowing developers and testers to assess the scalability and performance of web applications and services. Widely used in the software testing and quality assurance domain, Apache JMeter provides a comprehensive set of features for simulating...
Locust
Locust is an open source load testing and performance testing tool written in Python. It is designed to test the performance of web applications by simulating a large number of concurrent users making requests.Some key features of Locust:Simulates thousands of concurrent users making requests to target web appsCan generate various...
Apache Benchmark
Apache Benchmark (ab) is an open-source command-line tool for benchmarking the performance of HTTP web servers. It is distributed as part of the Apache HTTP server project and is commonly installed alongside the Apache web server. ab allows users to simulate requests to test the responsiveness, throughput capacity, and scalability...
Wrk
wrk is an open-source HTTP benchmarking and load testing application. It was created by Will Glozer and is written in C with LuaJIT. wrk is designed to apply a specified user-configurable rate of requests to a target web application to measure performance.Some key features and capabilities of wrk include:Lightweight and...
