â¢ SALTATION (noun) The noun SALTATION has 5 senses: 1. (geology) the leaping movement of sand or soil particles as they are transported in a fluid medium over an uneven surface. 2. a mutation that drastically changes the phenotype of an organism or species. 3. an abrupt transition.
A CAPTCHA as you may well know is one of those annoying âType in the letters you see in the image aboveâ things you see on many website signup pages or comment sections. A CAPTCHA image is designed so that a human can read it without difficulty while a computer is unable to.
no captcha recaptcha The NoCAPTCHA reCAPTCHA In 2013, reCAPTCHA began implementing behavioral analysis of the browser's interactions with the CAPTCHA to predict whether the user was a human or a bot before displaying the captcha, and presenting a considerably more difficult captcha in cases where it had reason to think the user might be a bot.