What is Selenium automation testing, and why is it important?

Selenium automation testing is a widely used open-source framework for automating web applications across different browsers and platforms. It allows testers to write test scripts in languages like Java, Python, and C#. By automating repetitive tasks, Selenium automation testing improves efficiency, reduces manual effort, and ensures faster execution of test cases. It supports parallel execution, integration with CI/CD pipelines, and cross-browser testing, making it essential for modern software development. With its flexibility and robust community support, Selenium helps organizations enhance software quality, detect bugs early, and accelerate release cycles, ultimately improving user experience and overall application performance.