Selenium Unable to locate element only when using headless chrome (Python)

If the script is working perfectly fine without headless mode, probably there is issue with the window size. Along with specifying –no-sandbox option, try changing the window size passed to the webdriver

chrome_options.add_argument(‘–window-size=1920,1080’)

This window size worked in my case.

Even if this dosen’t work you might need to add wait timers as answered before as rendering in headless mode works in a different way as compared to a browser in UI mode.

Ref for rendering in headless mode – https://www.toolsqa.com/selenium-webdriver/selenium-headless-browser-testing/

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