You must have seen many times that whenever you create an ID on a website, log in or recover a password, you definitely encounter Captcha. Where you have to fill the box below by looking at the numbers or laters in the given image or select the image according to the question asked. You must have thought many times what captcha is and why it is needed. What is the work of CAPTCHA and many other questions will definitely come in your mind. Today you will get all the information related to CAPTCHA through this article.
Captcha is a verification process that requires the user to enter pre-determined code. CAPTCHA is a fully automated public Turing test to identify computers and humans. CAPTCHA provides a question or code which is easy for human to solve but difficult for a robot.
In this article you have been explained in detail about what is Captcha, why it is used, how many types are there and how to solve Captcha etc. If you do not know about Captcha, then this information can prove to be important for you.
What is Captcha ?
Captcha's Full Form is 'Completely Automated Tur Public Test to Tell Computers and Humans Apart'.
Captcha is also known as Captcha Code. Both work is the same.
CAPTCHA is a device that works as a Security System. Its help is used by Computer Program to find out if the input that is giving is Human or Machine.
Captcha helps to protect your website and application from Malware and Spammer. For this, if you do sing-up on any website or create an Account, you get the option to Solve the CAPTCHA, which you can create your account in that website or application after completing.
Not only that, you have to fill Captcha when you login to online payment, IRCTC, or login to a particular app.
Where is the CAPTCHA code used?
We told you what captcha code is, now know where it is used. Let's say that there is a captcha code show while registering on a website or while making a comment on the blog and website.
This is because captcha code is a program that can only solve human being, not a machine. That is why this code is used to test.
How CAPTCHA works?
When you sing-up or login to a website or application, you are shown some images. Some names are written on these images and you have to click on some Related Images to join that name. In the meantime, if you choose the right images, you can then sing-up or Login to your website or application.
It is not necessary that the CAPTCHA is shown only in the images. In addition to images, you also have to write them correctly by doing some of the crosswise Alphabets, Maths, Calculations. In most of the time, you are given crooked Alphabets and some numbers with them that have to be Solved.
Types of Captcha:
You may have encountered several different Captcha Code times. These code are created differently according to each website. We're going to tell you a variety of CAPTCHA codes so that whenever you solve the CAPTCHA Code, you know which type of Captcha Code you're doing.
1. Text Recognition Bases
This type of Captcha which is Puzzle and these are text bases that the user has to recognize the text to Solve and in Captcha you have to do The Alphabet Type to Captcha Solve. After which you can make an entry on that website.
2. Image Recognition Based
Captcha codes that are Image Based show some similar-looking Images that also have a name on top of them. You get entry on the website in which you have to find and select the image associated with the given name.3. Audio Recognition Based
In such Captcha you get to hear Audio. You have to type that Audio and fill it into the box.4. Maths Solving Captcha
When you log in to a website, sometimes you are spoken to fill in solving Maths Captcha. In this captcha you have to solve some numbers in front of you. Such as adding or subtracting numbers.5. 3D Captcha
In some Captcha you see a 3D Image in which you need to identify and write Alphabets or Numbers.
6. Ad Injected Captcha
In the Captcha of such type, you get to Solve through some Ad on your screen. Just as you'll see an Ad or a brand on the People screen and you'll need to identify and fill it out.These were some types of Captcha that you must have solved somewhere. But users don't waste a lot of time solving them, so Google launched a captcha that doesn't require you to write, recognize anything.
In fact, Google bought the recaptcha-making company in the year 2009 and launched the No Captcha re-captcha by making some changes.
Now you may be wondering what is the no-captcha recaptcha. Which Google created by improving the re-Captcha. In this captcha you have to click in a box. After which Google's Algorithm automatically detects whether you are a human or a computer.
To verify what Google has to verify your IP, how long you're on that web page, what's your location, how much you scroll that web page, what was the movement of your cursor when clicking on that box completes all such process.
What are the advantages of Captcha?
- If you use Captcha in the blog's comment box, spam comments will stop coming to your blog.
- Captcha is used for many online websites from Save Ways.
- It is used in a website because it can only be solved by humans, not machines or computers.
- Using Captcha, you can protect your Email Address from Email Scrapers.
- You can use it to protect the website from dictionary attack.
What are the disadvantages of CAPTCHA?
If there are benefits of something, there are disadvantages. So far you have known the benefits of Captcha, but you also need to know about its disadvantages.
- Sometimes some captcha difficulty in understanding and reading.
- This is not true for disabilities user.
- It takes more time to create any ID.
- Some Internet browsers cause these technical problems.
How to solve Captcha Code?
However, solvent the Captcha code is a hassle-filled task, but it is also important to solvent it. If you are not able to solvent it, you will not be able to proceed. That is why we will now know how the CAPTCHA code is solvent. It is very easy.
When you are given the captcha code to solve, then carefully look at the captcha code number you get and fill it.
If it is in the form of text, then write it the same way. Write small letters as small and capital letters as capital.
Sometimes Audio Captcha Code is also given for solving. So fill what you hear carefully.
If the image is in the form, select only the image as asked. (Suppose you have been given some images to select the traffic light, then just click on it.)
Earn money with captcha
It is very interesting to know that you can also earn money from CAPTCHA. Yes, the work that we feel haggle can also earn us. Be aware that there are many websites on the Internet that pay only for captcha solution. For example, Captcha Club is one such website.
But for this it is important that you can solve how fast the CAPTCHA code is. In this way, you can earn millions by sitting at home just by solving the captcha code.
Conclusion
Today in this article we gave you detailed information of Captcha, in which you have known, what is CAPTCHA and where it is used, how many types of CAPTCHA are there, how to solve it, what are the advantages and disadvantages of CAPTCHA. Also we learned how to solve it and you can also earn money by solving captcha code.
After reading this article till the end, you must have got complete information about CAPTCHA. Hope you have found the answer to all questions related to Captcha.