The web BOT or web robot is a standout amongst the most resentful dangers to the web administrations.The WWW robot or just BOT. That is a product application that runs mechanized undertakings over the web and makes issue. One answer for securing web from BOT is to create CAPTCHA. CAPTCHA is acronym for Completely Automated Public Turing test to differentiate Computers and Humans One from the other. CAPTCHA might be as content or picture.
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