What is a captcha is a special alphabetic or alphanumeric code that is entered by the user in order for the latter to be able to leave advertisements or comments on the site. This is a special way of verifying the user, thanks to which you can distinguish real real people from computer bots, that is, protects the Internet page from spam.
Kapcha - what is it?
The term "captcha" (emphasis on the first syllable) comes from a complex English abbreviation - CAPCHA - and is translated literally as a fully automated general Turing test (one of the pioneers of computer science) that makes it possible to distinguish a machine from a person. Captcha is a special computer text consisting of hard-to-read and unevenly written characters - letters, numbers, pictures, to conduct user verification and protect the site from automatic spam (bots) and from hacking.
What is captcha at registration is a special test that helps to distinguish a person who wants to register on the site, from a spammer who wants to register on all sites in a row, in order to make an undesirable newsletter. When registering with a service, the user must enter a pair of hard-to-read characters in the special form below.
Why do I need CAPTCHA?
Kapcha for the site is provided in order to protect the site from malicious unwanted programs that:
- send out annoying ads;
- insert unnecessary links into different programs for download;
- try to hack the site.
It is understood that the program-robots, bumping into a picture with hard-to-read text or an arithmetical example, they pass before them and can not break through. Man can easily distinguish symbols in the picture, whether they are figures written one on another, letters crossed by a line, or an uncomplicated equation. In recent times, capcha has become more complicated for cars and easier for people. For example, the task can be found in pictures of images with street names. Just click on a couple of images from several.
Types of captcha
Sometimes it is difficult for users to understand the first time what a captcha is, because there are several kinds of this code, and they differ dramatically from each other:
- Alphabetic or numeric is a complex CAPTCHA, because the characters are written in an unreadable format: the letters / numbers are superimposed on each other or written so crookedly that they can hardly be disassembled.
- Pictures - here the user should, for example, from nine images choose those that show billboards, cars, road signs. This is a simple test to determine the "humanity" of the user, because you just need to click on the desired pictures. Sometimes the picture should be correctly arranged so that it looks harmonious (for example, the tree should be positioned vertically, rather than horizontally).
- Capcha with examples - you need to do subtraction, addition, multiplication. As a rule, the equation is extremely simple at the level of 2 + 2, but on closed sites there are also more complex examples.
- The simplest kind of verification is to put a tick in the field "I'm not a robot".
Wrong CAPTCHA - what is this?
If the user entered characters from the images incorrectly, this means that the captcha has not passed the verification, then you should enter the code again, but the numbers and letters are already different. Considering that often these codes are almost impossible to make out, because the letters are uneven, the numbers fit one on top of another, making it hard to read, then the wrong code is filled very, very often by the users.
By putting protection, many sites lose users. Often I want, in obedience to some impulse, to leave a comment or a response. But here the system says that you need to enter characters from the picture. These characters are so unreadable that after making a couple of mistakes and losing a couple of nerve cells, the user just does not want to try and leave the site. And some do not understand why all this is necessary, what it is, and when they see it, they immediately leave the page, for fear that it is spam, a virus or something like that.
How correctly to enter captcha?
To keep your nerves and not to fill the code a lot of times, guessing the CAPTCHA must be done using some rules:
- numbers and letters in a simple numeric or alphabetic code should be entered without spaces, commas, periods;
- to enter slowly, to recheck the entered symbols avoiding typos;
- but if in the example itself two words are written through a space, then it must be put too;
- punctuation marks, if they are indicated on the picture, must also be entered;
- if the task is to decide an example, only the answer is entered in the graph, and not the example with the solution;
- carefully read the task if you need to select from images any images (for example, you need to find road signs, and this is not the same as billboards with advertisements or street names).
How to bypass CAPTCHA?
On the Internet there is a lot of advertising that there are programs that automatically decode codes. And these programs can be easily downloaded, but for the money. This kind of services can not be trusted, because it is still very paradoxical that a person will be introduced with symbols from the images of the robot to prove that this person is not a robot. For 17 years of the existence of capcha, there are still no competent circumvention programs. I'll have to enter characters manually.
Earnings on the CAPTCHA
Among the numerous ways of earning in the network there is such, as the introduction of captcha for money. Proceeding from the fact that in the automatic mode this code can not be entered, real users are needed who will understand this "web" of complex ornately written characters and stuff them one by one. Services on which you can earn extra money when entering codes from pictures:
- RuCapcha.ru;
- Antigate.ru
- Kolotibablo.com.
How much can you earn on Captcha?
Earnings at the introduction of CAPTCHA are more suitable for those who are just beginning a career in the open spaces of the Runet, since it is not particularly profitable. The work is not difficult, you just need to correctly solve the rebus images. For each correctly reprinted picture, a person receives from one to three cents. That is, it is about a ruble or two for as many as one hundred entered pictures. Some do not give up and earn up to 300 rubles a day, but as a rule, more than 30 rubles a day can not be earned with a capchet.
Pros of this earnings:
- suits even children, because there is nothing difficult in this - just reprint codes or solve the simplest tasks;
- the opportunity to work from home.
Cons for entering characters for money:
- extremely low income (in a month, even thousands of rubles can not be earned);
- vision falls (users joke that for a month of such work you can easily earn yourself new glasses).