Selenium Grid官方定义是:
Selenium Grid is a tool that dramatically speeds up functional testing of web-apps by leveraging your existing computing infrastructure. It allows you to easily run multiple tests in parallel, on multiple machines, in an heterogeneous enviroment.
Selenium Grid是一种可以显著提高Web应用功能测试的工具,他会帮你改进已有的测试架构,让你更容易的在各种各样的环境下分布式并行运行测试用例。