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How To Configure Chrome Browser To Run In Headless Mode

Discover how to successfully configure Chrome to operate in headless mode using Selenium, fix common issues, and implement a seamless automation script. --- This video is based on the question https://stackoverflow.com/q/68979382/ asked by the user 'MarkWP' ( https://stackoverflow.com/u/16440431/ ) and on the answer https://stackoverflow.com/a/68979469/ provided by the user 'Dương Tiểu Đồng' ( https://stackoverflow.com/u/13244207/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions. Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: How To Configure Chrome Browser To Run In Headless Mode Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l... The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license. If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com. --- How To Configure Chrome Browser To Run In Headless Mode As developers and testers, we often need to execute browser automation processes in a manner that won't disrupt our workflow or user experience. The use of headless browsers allows us to automate tasks without the need for a graphical user interface. In this post, we will explore how to configure Google Chrome to run in headless mode using the Selenium framework — and more importantly, how to overcome common hurdles one may face. Understanding the Problem You may come across situations where running a Chrome browser in headless mode does not yield the desired outcomes. A common problem is encountering errors when attempting to access web elements, especially when elements are not clickable. This often arises when additional overlay elements like cookie consent pop-ups interfere with your automation actions. Here's a brief snapshot of the scenario we’ll address: The user attempts to execute a script to automate login to a website using headless Chrome. The implementation of the headless mode (options.add_argument('--headless')) leads to errors, causing the script to fail during the login process. The error message may look something like this: [[See Video to Reveal this Text or Code Snippet]] This error typically indicates that the element you are trying to interact with is being obstructed by another element. Solution Overview To resolve the issues related to clicking elements in headless mode, we can shift our approach from reliance on mouse clicks to utilizing the keyboard instead. This is a simple yet powerful modification that can enhance automation reliability. Step-by-Step Configuration Set Up Selenium and Chrome Options: Begin by setting your ChromeOptions to ignore certificate errors and disable notifications. Make sure to include the headless argument: [[See Video to Reveal this Text or Code Snippet]] Initialize the Chrome Driver: Create the Chrome driver instance and navigate to the desired URL: [[See Video to Reveal this Text or Code Snippet]] Locate and Handle Input Fields: Input your credentials as follows: [[See Video to Reveal this Text or Code Snippet]] Interact with the Consent Button: Instead of using a mouse click, we will simulate pressing the Enter key to submit your consent. You do this with the following code: [[See Video to Reveal this Text or Code Snippet]] Verify Login: Finally, retrieve and print your username to confirm successful login: [[See Video to Reveal this Text or Code Snippet]] Close the Driver: Don’t forget to close your driver once your tasks are completed: [[See Video to Reveal this Text or Code Snippet]] Conclusion By switching to keyboard interactions in the headless mode, we've effectively tackled the critical issues that prevent successful automation. With the above configuration and script adjustments, you can smoothly run your Chrome browser in headless mode, automate logins, and navigate websites seamlessly. Implement these suggestions in your projects, and watch your automation scripts flourish in headless configuration! If you encounter any further issues or have questions while implementing this solution, feel free to reach out in the comments below!