Selenium Standalone Server !exclusive! Jun 2026

Or for Grid mode (Hub + Node on same JVM):

| Scenario | How Selenium Standalone Server Helps | |----------|--------------------------------------| | Run tests on a remote Linux VM | Deploy server as Hub+Node; point tests to http://vm-ip:4444 . | | Scale test execution across 5 machines | Run Hub on one machine + 5 Nodes; distribute tests automatically. | | Need Firefox & Chrome in same run | Nodes can register multiple browsers; Hub routes session to correct node. | | Debug flaky tests | Enable --log-level DEBUG and trace all WebDriver commands. | | CI pipeline with parallel jobs | Spin up Dockerized Selenium Standalone; run tests; tear down. | selenium standalone server

Instead of installing browser drivers on every developer's machine or every CI/CD agent, you can host the Standalone Server on a single machine. Test scripts simply point to the URL of that server (e.g., http://192.168.1.50:4444/wd/hub ). This eliminates version mismatches and setup headaches. Or for Grid mode (Hub + Node on

It allows you to run tests on a different machine, virtual machine (VM), or cloud environment from where your code resides. | | Debug flaky tests | Enable --log-level

java -jar selenium-server-<version>.jar hub java -jar selenium-server-<version>.jar node --hub http://localhost:4444