reCAPTCHA is a free CAPTCHA service offered by Google. CAPTCHA stands for "Completely Automated Public Turing test to tell Computers and Humans Apart." It is a series of letters and numbers meant to be manually entered on forms to ensure they are submitted by actual people and not spam-sending computers. Google reCAPTCHA is ready to use with several plugins available for you to apply it to your site's forms. Its customizable themes also allow you the freedom to personalize the CAPTCHA to suit your site's design and change its color and size.
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Open the Web form where you want to place reCAPTCHA, in a text editing program such as Notepad.
Paste the following code inside the