Selenium, a widely used automation framework for web testing, includes a functionality for taking screenshots, which is crucial for verifying web page layouts and debugging errors during testing. While Selenium's built-in TakesScreenshot interface captures only the visible area of a browser window, third-party tools like AShot can be utilized to capture full-page screenshots across various browsers, enhancing the cross-browser compatibility checks. However, challenges such as handling popups, which can disrupt screenshot captures, can be addressed using Selenium's Alert interface. To manage these obstacles effectively, using the latest Selenium WebDrivers and browser drivers is recommended. Additionally, platforms like LambdaTest offer a codeless solution to automate screenshots across multiple browsers and operating systems, streamlining the process for testers.