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What is Captcha solving, types of Captcha, what’s the purpose, History of captcha

what is captcha

What is Captcha filling, Why it ask much time in the registration form, ticket booking and many more? –

When logging in or signing up anywhere, you must have filled the captcha. Sometimes a question may have come to mind that what is this captcha after all and what is the need.

What is Captcha –

If understood in easy language, the captcha is a kind of code, which solves the web page moving forward. You must have seen the captcha code while logging in or signing up on many websites. The main function of captcha is to differentiate between machine and human. If there is no captcha, then spam spreads all over the internet, but captcha prevents these spam from growing. That’s why all the special site is using the captcha.

How Captcha Works –

Captcha code is designed in such a way that it can be opened by humans only. The numerals and alphabets, video animation, images are involved twisted around in such a way that only humans can solve them. Robots may be much more modern but they are not as intelligent as humans due to which they are unable to open captcha code. Significantly, robots are always able to read-only written directly, they are not able to solve the captcha cause, the admin of robot only sets the command to the specific task and in Captch solving, text video, images may come and changes every time, so the admin of Robots could not able to set the rules and cause of changing of the question in captcha.

Types of Captcha –

There are many types of captcha. If you have ever been raised by captcha, then you must have noticed that almost every website has different types of problems. There are a lot of captchas on the internet, including Math Problem, Word Problem, Social Media Captcha, Time Based Captcha, Image Captcha, Audio captcha, Text Arranging Captcha, and many more, if you know something is missing in this list then comment below I will put here with your name

Benefits Of Captcha code –

  • Captcha code is designed to prevent spam. If I say in easy language, there are many websites on which fake ID is created to collect traffic. Such fake IDs are controlled by computer robots and software.
  • Captcha was created to prevent such robots. The captcha rotates and shows numbers and alphabets so that the robots cannot read it.
  • Spam can be avoided by using captcha.
  • The CAPTCHA has been installed on several payment gateways to prevent the website from getting a rush.
  • Indian Railways is also using the Captch to prevent the black tickets maker

Disadvantages of Captcha Code –

  • Captcha code is very difficult to read, due to which the normal user is not able to use it.
  • Due to this, most website visitors leave the website.
  • It takes too much time.
  • Many time filled captcha is also failed
  • Due to low connection may be your captcha is never passed and error says always.



History of Captcha Code – How Captcha made – 

The captcha code was first created in the year 2000. The captcha code was first used by Yahoo. The captcha code blocked many hackers. The main weapon of hackers is spam. Captcha was created to prevent spam. By installing Captcha, scammers can’t install the bots to visit any site directly.
Conclusion –  I hope you have clearly learned about captcha, how captcha works, benefits of captcha and many more, one thins is left to tell you, if you know others captcha also then tell me through comment box, I will put here with your name, if you having a blog then mention your site name I will give the external link also.

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