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Headed Vs Headless Operation

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Headless Mode:

  • Purpose:

    • Headless mode refers to running the browser without a visible GUI. The browser operates in the background, and there is no actual browser window displayed.

  • Benefits:

    • Faster execution: Headless mode often performs faster than headed mode because it doesn't need to render the graphical user interface. This can be advantageous when running a large number of automated tests.

    • Resource efficiency: Since there is no need to render the UI, headless mode typically consumes fewer system resources, making it more efficient, especially for running tests in environments with limited resources.

    • Server-side and continuous integration: Headless mode is commonly used in server environments, continuous integration (CI) systems, or when running tests on servers where a graphical environment is not available.


Headed Mode:

  • Purpose:

    • Headed mode refers to running the browser with a visible graphical user interface (GUI). You can see the browser window opening and performing actions.

  • Benefits:

    • Useful for debugging and development: When you're developing and testing your scripts, running in headed mode allows you to see the browser actions in real-time. You can observe interactions, identify issues, and debug more effectively.

    • Easier to understand: For beginners or during script development, seeing the browser window can provide a clearer understanding of what the script is doing.


Example Scenarios:

  • E-commerce Testing:

    • Headed Mode: When testing the user interface and visual elements of an e-commerce website.
    • Headless Mode: When performing bulk testing of checkout flows, form submissions, or other repetitive tasks.

  • Web Scraping:

    • Headed Mode: When developing a scraping script to observe the website structure.
    • Headless Mode: When scraping large amounts of data continuously, focusing on efficiency.


Video examples for Illustrating a headless Mode in Chromedriver .
Another video example for Using Edge driver since Edge could not support Direct Headless Argument , we shall perform "Start Miimized " argument which perform similar Operation.


Safari:

  • Method: Safari does not have a dedicated headless mode. However, you can use the standard Safari Driver for automation. Safari Driver is automatically headless (i.e., it doesn't show a browser window).
 

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