All You Need To Know About CAPTCHA

All You Need To Know About CAPTCHA - This topic is for information purposes, in this article we present something stunning information about CAPTCHA and all information related to its bias. Mostly every Site Contains Captcha Verification to find out the users category, are they Human or Bots. So, move on the topic to get a brief description. This is also a Google Product.

CAPTCHA is now a days on Internet, and making the surface safe and anti-bot. because Bots are the cause of spamming and also THEY ARE KNOWN AS MALWARES ALSO. So, That's why Google had Launched CAPTCHA Verification. In this Post we will clarify all the doubts related to the Captcha. also we introduce you with some types of captcha. all you need to know about captcha is here.

All You Need to know about CAPTCHA
All You Need to know about CAPTCHA


reCAPTCHA is a free service from Google that helps protect websites from spam and abuse. A “CAPTCHA” is a test to find human and bots apart. It is easy for humans to solve, but hard for “bots” and other malicious software to figure out. It contains some easy problems like a simple mathematical question, or figure out the pictures of the given topic.

CAPTCHA stands for Completely Automated Public Turing test to tell Computers and Humans Apart.

Who Invented CAPTCHA Strategy?

In July 2006, Luis von Ahn gave a tech talk at Google on "Human Computation" (i.e., crowdsourcing) which was watched by over one million viewers. In 2007, von Ahn invented reCAPTCHA, a new form of CAPTCHA that also helps digitize books.

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What is the Use of CAPTCHA?

CAPTCHA are mainly used to figure out the users mentality, like if the user is a Human or a Computer Bot. In this, a verification box is fixed in the page to verify the Human Verification. It is Simple as and a Human Brain can solve it within couple of seconds.

Some CAPTCHA Examples -  

There are many types of CAPTCHA on different different source of blogs, but majorly there are 4 types of CAPTCHA which we use or bypass in our daily life. Let me show you all of them.

  • Math Solving CAPTCHA

Math Solving CAPTCHA
Math Solving CAPTCHA

In this, we just have to do some easy calculations to proves that we are human not a computer bot.

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  • Picture Identification Captcha

Picture Identification CAPTCHA
Picture Identification CAPTCHA

This CAPTCHA is mainly provide us an elementary choice of choosing the correct image that they are asked to identify. They never get harder than basic images so you won’t have to worry too much about your users not being able to depict the difference between them and the incorrect images.

  • The Standard Distorted Word CAPTCHA

The Standard Distorted Word CAPTCHA
The Standard Distorted Word CAPTCHA

This comes from the most popular CAPTCHA company out there, ReCAPTCHA. It is reliable, but some of the distorted word images are rather hard to solve. To get past that it allows you the option to “recaptcha,” in order to receive a new one. There is also an audio option if you are unable to visually make out the word.

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  • I'm Not a Robot CAPTCHA

I'm not a robot CAPTCHA
I'm not a robot CAPTCHA

This is too easy to bypass verification, we just have to click on the Box to enable a tick mark on I'm Not A Robot CAPTCHA Box. That's it, really.. it's done. A simple click and verification will be automatically verified.

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  • Audio CAPTCHA

BotDetect CAPTCHA provides an audio Captcha alternative to assure human verification is accessible to the blind and other visually impaired people. BotDetect is developed with the Access Board Section 508 guidelines in mind, and produces XHTML 1.1 and WCAG AAA compliant markup.

Conclusion -

  • Atlast, I'm pretty sure that our article All You Need to Know About CAPTCHA had provides you alots of knowledge about CAPTCHA. If you're happy with our post then share it with your friends. Keep Sharing, because Sharing is Caring!
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