14 March 2017

Google introduces invisible reCaptcha to go easy on humans and hard on bots

Google has gone one step further from the No Captcha Recaptcha that allows users to attest that they are humans and not machines, by getting rid of the captcha window altogether. Google is using machine learning and advanced risk analysis to continually evolve the Recaptcha system, and adapt it to new threats. Over a billion malicious bots have been prevented from accessing websites according to Google.

Recaptcha is a free service that protects your website from spam and abuse. Recaptcha uses an advanced risk analyst engine and adaptive CAPTCHAs to keep automated software from engaging in abusive on your site. It does this while letting your valid users pass through with ease.

Recaptcha offers more than just spam protection. Every time Google's CAPTCHAs are solved, that human effort helps digitalize text, annotate images and build machine learning datasets. This, in turn, helps preserve books, improve maps, and solve hard AI problems. 

The measure is aimed at improving the user experience. Humans will be allowed to go to the website without even have to click on a single checkbox. When Google detects bot-like activity or suspicious users, these sources of traffic will be served with one of the Recaptcha challenges. The challenges are designed to be trivial for human users, but extremely difficult for automated agents to solve.

Web developers registered with the Recaptcha API will now have two options to choose from. The invisible Recaptcha option validates humans in the background, without interrupting the browsing experience. The Recaptcha v2 is the previous implementation of the Recaptcha text box, and at times required users to solve a series of challenges before allowed to browse a website. Interested developers can register for the invisible Recaptcha here.


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