This document discusses web-based programming languages that support Selenium testing. It begins by introducing Selenium and describing its core components and architecture. Selenium can be used to test web applications built with languages like C#, Java, PHP, Python, JavaScript, XML, and Ruby. The document then discusses how Selenium can be used for mobile web application testing on Android and iOS. It concludes by stating that Selenium is a dynamic testing tool that supports testing in many languages and allows for quality assurance of web applications.