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Xceptance LoadTest
Jena, Germany
What it is
Xceptance LoadTest (XLT) is an open-source load and performance testing tool for software development. Java test scripts can run as JUnit tests in an IDE, with integrations including WebDriver, HttpClient, Maven, Gradle, command-line tools, and CI/CD pipelines. XLT supports user-count and arrival-rate models, configurable ramps, and traffic peaks. It can drive real browsers, distribute load across machines and locations, and scale tests to any number of machines and users according to the maker. Reports cover load tests, comparisons, and trends, including totals, averages, percentiles, SLAs, and errors. Result data uses documented open formats, with no data dropped. XLT supports Windows, macOS, Linux, and FreeBSD and requires JDK 21. Cloud deployment works with clouds supporting Java 21 or later; free Amazon EC2 images are available, while AWS infrastructure is charged separately. Controller-agent communication uses authenticated HTTPS. The software package is about 100 MB and is licensed under Apache License 2.0.
For and against
For
- Open source under Apache License 2.0
- Supports browser-based testing
- Distributed load across machines
- Detailed load and trend reports
- Open documented result formats
Against
- Requires JDK 21
- AWS infrastructure costs separately
- Package is about 100 MB
- Professional support services are separate
The verdict
XLT combines Java-based scripting with browser testing, distributed execution, and structured reporting. Its open-source license is useful for teams that can provide the required JDK and manage infrastructure costs.
Who it suits
It suits software development teams and testing specialists planning load, stress, browser, or distributed tests. Java-based teams using JUnit or CI/CD tools may find its integrations relevant.
Plans and prices
Xceptance LoadTest (XLT)
Requires JDK 21 · software package about 100 MB · Amazon EC2 infrastructure is charged separately
Read 8 Oct 2026 · xceptance.com
On the record
- Browser testing
- XLT can use real browsers through WebDriver for load testing.xceptance.com · read 8 Oct 2026
- Cloud deployment
- XLT can deploy to clouds supporting Java 21+ and has free Amazon EC2 images; AWS charges for infrastructure use.xceptance.com · read 8 Oct 2026
- Data
- The maker says result data is open and documented, no data is dropped, and results use open formats.xceptance.com · read 8 Oct 2026
- Integrations
- The maker lists Java, JUnit, WebDriver, HttpClient, Maven, Gradle, command-line tools, and CI/CD pipelines.xceptance.com · read 8 Oct 2026
- Intended users
- The maker describes XLT as a tool for software development and says it was created by testing specialists for their own testing needs and others in the profession.xceptance.com · read 8 Oct 2026
- License
- XLT is open source under the Apache License v2.0.xceptance.com · read 8 Oct 2026
- Load profiles
- XLT supports user-count and arrival-rate load models, including configurable scenarios such as ramps and traffic peaks.xceptance.com · read 8 Oct 2026
- Platform requirement
- The maker lists Windows, OSX, Linux, and FreeBSD support and requires JDK 21.xceptance.com · read 8 Oct 2026
- Purpose
- XLT is a load and performance testing tool for software development.xceptance.com · read 8 Oct 2026
- Reporting
- It provides load test, comparison, and trend reports with metrics including totals, averages, percentiles, SLAs, and errors.xceptance.com · read 8 Oct 2026
- Scale
- XLT distributes load across machines and locations, and the maker says tests can scale to any number of machines and users.xceptance.com · read 8 Oct 2026
- Security
- Controller-agent communication is secured through authenticated HTTPS.xceptance.com · read 8 Oct 2026
- Support
- Xceptance says it offers training, projects, and support for XLT and load testing as services.xceptance.com · read 8 Oct 2026
- Test scripts
- Tests are written in Java and can run as JUnit tests in a preferred IDE.xceptance.com · read 8 Oct 2026
