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Integrate Siesta with TestMu AI to perform automated browser testing of your websites and web applications on an online browser farm of 3000+ real browsers and OS combinations.

Salman Khan
January 29, 2026
Organizations build their digital presence by developing websites or web applications to reach a wider audience. This, in turn, leads to competition with the existing players in the market. As the new web applications roll into the market, they try to grab their share of the audience. However, to stay competitive, the existing web applications must also add new features to enhance their user experience.
One of the significant challenges the QA team faces while testing web applications is ensuring that the existing and new functionalities work fine when rendered across browsers and devices. Therefore, it is essential to perform . Additionally, devs and testers should use automated browser testing to expedite their browser testing process.
To make your automated web testing more productive than ever, we at TestMu AI are thrilled to announce our integration with Siesta by Bryntum -a JavaScript and UI testing tool for web pages and Node.js processes.
The TestMu AI and Siesta integration allow you to perform automated testing of websites or web apps on an online browser farm of 3000+ browsers and operating system combinations.
Siesta by Bryntum is a JavaScript and UI testing tool for web pages and Node.js processes. You can run tests in browsers, Node.js, and Deno on Linux, macOS, and Windows. Siesta includes a powerful event recorder and player and an extensible automation package with cloud testing capabilities.

Siesta comes in two editions – Lite and Standard.
Getting started with Siesta is very simple. Additionally, it scales well as your test suite expands and your requirements become more complex. Siesta is jam-packed with powerful features that make automated web testing a breeze.
Let’s look at some of Siesta’s features –
Note: Run automated tests across 3000+ real desktop & mobile browsers. Try TestMu AI Now!
With TestMu AI and Siesta integration, you can launch your Siesta tests on the TestMu AI cloud platform with just a single command-line option. Following are the benefits of running Siesta tests on the TestMu AI platform.
Shown below are the steps to run Siesta tests on the TestMu AI platform.
C:\xampp\htdocs\siesta\bin\webdriver http://localhost/siesta/examples/browser/index.html --filter basic --lambdatest --username undefined --access_key undefined --cap browserName=firefox --cap platform=windows
To generate the desired capabilities, navigate to our Desired Capability Generator.

For more information, refer to our TestMu AI integration with Siesta documentation.
We hope this new TestMu AI integration with Siesta will help you automate repetitive test cycles and add tremendous value to your team. Try this new integration and let us know your feedback.
If you have any queries or suggestions, please contact us at our 24/7 Customer Chat Support, or you can email us at [email protected].
Visit the TestMu AI Changelog to stay up to date on the latest product features and announcements.
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