(Captcha|ReCaptcha) - Completely Automated Public Turing test to tell Computers and Humans Apart

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captcha means Completely Automated Public Turing test to tell Computers and Humans Apart.

A captcha is a test to prove that the person submitting a form is a human and not a bot.

They are explicitly designed to prevent automation.



A captcha occurs when the contact is asked to resolve a challenge:

  • ie enter text given in a box in a distorted font
  • or to solve a simple math problem.

A captcha test is also difficult for human and is therefore a barrier on forms submission

recaptcha is easier.


Simpler than captcha

Recaptcha Type

  • reCAPTCHA v2 just requires the contact to click a checkbox.


  • reCAPTCHA v3 returns a score based on the interactions with your website.
    • 1.0 is very likely a good interaction,
    • 0.0 is very likely a bot

In a testing environment

Captcha is explicitly designed to prevent automation and there are two primary strategies to get around CAPTCHA checks:

  • Disable CAPTCHAs in your test environment
  • Add a hook to allow tests to bypass the CAPTCHA




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