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Stop Bots in Their Tracks with visualCaptcha

Posted on 7.06.2014

With non-humans accounting for more than 61 percent of Internet traffic, the ability to discern between human and non-humans (bots) is essential.

Captcha has been at the forefront of discerning bots and humans since it was invented in 2000. However, as smarter programs are created and technology advances so too does the technology behind bots. In fact, Vicarious, an artificial intelligence (AI) company, claims they have developed an algorithm that beats Captcha’s 90 percent of the time.

With the standard Captcha no longer being able to tell bots and humans apart, Web workers have had to look for alternatives. One such alternative that is looking to step in and quiet Web workers worries is visualCaptcha.


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visualCaptcha differs from its standard counterpart by how it has the user interact with it. The program runs by displaying five images and telling users which one to select. If the user does not select the correct image they cannot proceed past the form.

To make visualCaptcha a viable alternative, its developers have made the program available for use with several backend languages (JavaScript, Ruby, PHP) as well as for integration with several frontend frameworks (plain JavaScript, as a jQuery plugin or as an AngularJS directive). visualCaptcha can be used in other frameworks but Web workers must build the integration themselves.

While the company boasts that its program has never been beaten, time will tell how well visualCaptcha stands up to the increasingly advanced bots that scour the Internet.

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