In this tutorial, we'll learn What is a headless browser? What is headless browser testing? How to run Selenium headless browser tests on Chrome, Firefox and Edge? Let's explore it with us now.
Web browsers are an integral part of the UI automation using SeleniumWebDriver. _Launching a browser and then executing the test cases on the browsers are an essential part of the web automation testing. But when we run the Selenium tests on any of the browsers, we generally face some challenges such as slow rendering on the browser, interference of other applications running on the system, etc. Apart from these, the major of the [**_CI**](https://codeship.com/continuous-integration-essentials#:~:text=Continuous%20Integration%20(CI)%20is%20a,CI%20it%20is%20typically%20implied.) systems these days are Non-UI (such as Unix based systems). Therefore, for running the test cases on those systems, we need a way to run the test cases in a Non-UI mode, and this is where the headless browser comes into the picture, which helps in the execution of the Selenium Headless Browser tests in a Non-UI mode.
Almost all modern browsers provide the capability to run them in headless mode. In this article, we will discuss these headless browsers and how we can use them for running the Selenium test cases in headless mode.
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