Category: Web automation

Over 20% of software testing is automated, and Selenium 4 has fundamentally shifted how this is done with a major architectural overhaul. This transition from Selenium 3's JSON Wire Protocol to the W3C WebDriver standard is key to understanding how Selenium 4 works, offering improved stability, performance, and powerful new features.

Since the official release of Selenium 4 in 2021, which adopted the W3C WebDriver standard, the framework has seen significant evolution. This critical update forces testers and developers to evaluate which is the best version of Selenium for their current and future web automation projects.

Selenium is an essential trace mineral crucial for thyroid and immune function, but the term also refers to a popular open-source software framework for web browser automation. Understanding the two distinct identities of this term is key, as each has unique applications and best-case uses. So, what is selenium best for in each of these very different contexts?