reCAPTCHA v3: Google today announced a information for the reCAPTCHA technology it has had since 2007 to combat bots on the world wide web.
ReCAPTCHA v3, therefore, is the new version and is a complete update of the reCAPTCHA technology that we have known so far.
The good news is that the new system it will no longer require any user interaction. You will of course remember the early days of reCAPTCHA v1 when everyone was trying to read garbled text or the days of v2 when we were trying to find “shop windows”, “street signs” and “cars” for 1-2 minutes.
ReCAPTCHA v3 will use a new secret and proprietary technology of Google to distinguish bots from normal traffic, "observing" the behavior of users of a site.
Google says that by observing how regulars interact users in one σελίδα and its parts, will be able to detect strange behavior, bots or unwanted actions.
New visitors will receive "risk ratings" based on their source of traffic or actions they take on a site. The scores will start from 0,1 (bad) and will reach 1 (good). According to the company, the webmasters will be able to decide how their site will react based on the above rating.
The whole system is much more complicated than reCAPTCHA v2, but webmasters have had plenty of time to test the 3 version with a beta session that started last May.
The biggest advantage of reCAPTCHA v3 is that site owners can now control and decide how their pages will react to bots and will not allow Google to make these decisions on its own, as was the case for 1 and 2.
reCAPTCHA v3 will be available for everyone later this week. More information in official announcement of Google.
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