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Google has released a new version of reCAPTCHA, a solution to differentiate users from robots. The first version of ReCAPTCHA appeared in 2007 and was acquired by Google in 2009. Users had to use this version to overwrite words from old books in order to show that they were human beings and not robots
to prevent spammers from automatically creating all kinds of accounts or posting comments. The second version of reCAPTCHA examined all kinds of other signals to determine if a query came from a human being or from a bot. This allowed half of the users facing this version of reCAPTCHA to proceed in one click, without having to solve a puzzle or to repeat words, according to Google.
Google now announces reCAPTCHA version 3. This version returns a score on the website indicating how suspicious the interaction is. Depending on the limits set by a website, legitimate users are no longer confronted with reCAPTCHA. "ReCAPTCHA version 3 performs a background risk analysis to warn you of suspicious traffic, while you can only use human users of your website," says Wei Lu of Google. the board to add the solution to several pages. In this way, the risk analysis engine reCAPTCHA must recognize more precisely the type of attacks. Webmasters can also see in this way on which pages the bots have provided. Google points out that reCAPTCHA learns from the actual website traffic and that the results in a test environment may differ from the production environment.
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