In today’s agile-driven development world, automation testing has become more than a luxury—it’s a necessity. Among the various automation tools available, Selenium has maintained its position as an industry standard for over a decade. Open-source, versatile, and language-agnostic, Selenium empowers QA engineers and developers to create robust, scalable, and efficient automated test scripts for web applications.
Whether you're a beginner in automation or a seasoned tester, this comprehensive guide will walk you through the most popular Selenium tools, frameworks, and best practices to boost your test efficiency and software quality.

What Is Selenium?

Selenium is an open-source automation testing tool primarily used for web applications. It supports multiple programming languages like Java, Python, C#, JavaScript, and Ruby. The tool allows testers to write functional tests without learning a new scripting language.