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I am trying to scrape this website using selenium (geckodriver) in python. The website started giving me a catpcha after a while. The captcha is triggered when I use a browser launched by selenium, even when loading my personal Firefox profile. However, it is not triggered when I use a browser I manually launch with the same profile. Any insight into what might be going on?

Bill
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  • If you slow down the operation rate (like how many requests you are running per minute) does it affect it? – Tim Jan 24 '19 at 00:26
  • There are ways that websites can detect Selenium usage. If you google some, you'll find some explanations. – JeffC Jan 24 '19 at 00:29

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This answer https://stackoverflow.com/a/53040904/10413416 can give you more info how exactly browsers understand selenium is running and depending on the browser, there is algorithms that trigger check on suspicious activity.

Infern0
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