Selenium Standalone Server ⇒

If you need to run tests on a headless server (a machine without a monitor, like a cloud instance or a Docker container), the Standalone Server is essential. It manages the headless browser sessions and ensures stability.

This spins up a fully functional Selenium Standalone Server with Chrome installed in seconds. selenium standalone server

The Standalone Server manages this handshake automatically. Without it, you would have to manually manage the driver executables and ports for every single test. If you need to run tests on a

To understand the Standalone Server, you must understand the (and the newer W3C WebDriver Protocol). The Standalone Server manages this handshake automatically

In the early days, using the Standalone Server was the only way to run tests. Today, frameworks like Selenium 4 and tools like WebDriverManager have simplified local testing. However, the Standalone Server remains relevant for specific use cases: