reCAPTCHA v2 vs v3 – Difference between reCAPTCHA v2 and v3

Here, in this article, you will get to learn about reCAPTCHAs, how they work, and the difference between reCAPTCHA v2 vs v3.

CAPTCHAs are a popular online check designed to differentiate between real users from virtual bots.

Across the most prominent part of two decades, Google has been among the shining names in the CAPTCHA field and their most recent update has taken the software towards a new direction. Besides, Google recently released reCAPTCHA v3 to reduce the number of app challenges that users face.

Moreover, Google also launched updated prototypes of the latest CAPTCHA API, so the bots don’t try to pass as actual humans.

CAPTCHAs are typically seen in website forms where repetitive automatic requests are rejected. Automating site requests is a popular technique for frustrated participants who require millions and millions of times to execute basic acts to render their activities successful.

In simple words, CAPTCHAs are crafted to deter spammers and offenders from growing their automated businesses. However, a very well recognized variant of this method involves writing blurred text with more up-to-date formats that allow users to recognize picture objects.

reCAPTCHA v2 vs v3

reCAPTCHA v2 vs v3

reCAPTCHA v2 – “I’m not a Robot” Checkbox

In cope with the problem of user interfaces, reCAPTCHA was modified in late October 2018 in v2 of the existing framework-of-the-art service. The old version reCAPTCHA was quick and that it will bring users to the signup page only with a simple checkbox “I’m not a robot.”

recaptcha v2

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There was a little job for the user to do in addition to clicking on a box on the device, which is a significantly improved experience. In the checkbox “I’m not a robot,” the consumer will click on a checkbox that indicates that the consumer is not a robot.

It either automatically transfers the user (with no CAPTCHA) or asks the user to validate that if they are humans. When the green checkmark could not be immediately retrieved, Google did not have adequate evidence to determine your validity correctly and a modernized CAPTCHA request was urged you to do so.

reCAPTCHA v2 – Invisible reCAPTCHA Badge

The invisible reCAPTCHA badge includes that the user doesn’t press a checkbox but rather that the user is invoked either by clicking on an existing button on the website or by calling a JavaScript-API.

recaptcha v2-invisible badge

Once the reCAPTCHA test is complete, the incorporation includes a JavaScript callback. In addition, reCAPTCA will be prompted by default to the traffic with the most suspicion. Besides, you can also edit your site protection selection in advanced settings to adjust this behavior.


reCAPTCHA v3 helps you to test if an event without user interaction is valid. The recently launched third version of reCAPTCHA by Google is completely transparent. Besides, it will not include a recovery issue and user experience. This is a pure JavaScript API that returns a score and enables you to work inside a site environment.

For eg, submitting a post to moderation, or throwing bots that can scrape posts and the need for additional authentication factors.


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The latest edition is simplified and no test or checkbox is included. This functions in the context invisibly, in any sense, to classify human bots. The Google experience becomes much stronger with reCAPTCHA v3 where the API produces a value between 0.0 and 1.0 that scores “how suspicious an interaction is.”

Those who have been wrongly blocked have a second chance to show themselves reasonable by the challenge of fall-down, which will also allow successful traffic only though they have passed the initial test.

Which one you should use?

reCAPTCHA v3 helps you to check that an event with no user contact is valid. It is a pure JavaScript that compiles a score and enables you to take other steps such as additional authentication factors.

There are two different types of reCAPTCHA v2:

The “I am not a robot”Checkbox of v2 reCAPTCHA allows the user to press a test-box that states the consumer is not a robot.  This either automatically passes the individual (no CAPTCHA) or asks them to prove that they are human or not through any challenging task.

Depending on the design of your website, you should find which one is better for you. In a general website probably consider v3 as it reduces users’ disruption to a minimum.

The v2 does not become redundant with the use of ReCAPTCHA v3. V2 and v3 are operating somewhat differently. – v3. V3 functions just like Akismet and has several downsides and cannot be suitable on all websites, which ensures that v2 will still be used for a long time.


The previous ReCaptcha (v2) did work as a tracker for monitoring user activities such as scrolling and clicking while the user is solving the captcha “I’m no robot.” On the other hand, v3 does the same, except it just doesn’t have a button to press. However, Google only monitors the user and checks if the individual mouse is managed from the human itself or bot.

However, making use of the latest reCAPTCHA is going to be some effort that would require some architecture of the program.

What reCAPTCHA version you are using? If you are using the latest v3, then please share your experiences with us in the comment box below. Also, if there are any other related queries, feel free to contact us!

1 thought on “reCAPTCHA v2 vs v3 – Difference between reCAPTCHA v2 and v3”

  1. Is it normal for V3 and V2 to detect vastly diff levels of “high risk” traffic? We’ve seen a big spike in what V3 is deeming “high risk” but V2 has stayed relatively stable (and lower).

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