Sooner or later a new generation of spam protection methods will emerge to block all unwanted site visitors. The recently launched Google “No CAPTCHA reCaptcha” or ReCaptcha v2.0 could just be such a method.
This new behaviour analysis tool is getting more and more attention both from the site owners and from scraping engines who are trying to break it. Since Google does not reveal any secrets of its operation, we want to share with you the techniques used in this new smart analysis CAPTCHA that determines between bot and human. Let s look inside.