dont know........ toooo lol..........
Usually, how does it cost if you subscribe for a captcha service? Many websites are really doing applying this to avoid spams. At first, I was really wondering what is it all about and what it is for but eventually, I got it! And it is very important for websites that require registration.
A CAPTCHA or Captcha is a type of challenge-response test used in computing to ensure that the response is not generated by a computer.
Using a captcha test on a website is a great way to ensure, for instance, that a person and not a spambot is filling out a web form. Also, a captcha can make it difficult for a person to continuously resubmit form information and overwhelm the form's purpose......................
A captcha is a sort of way to catch spam bots on the web. The best and simplest way to implement one of them to protect your sites is http://www.recaptcha.net
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I hate captcha most of the times as they are usually beyond recognition that makes me struggling to get the correct captcha code. I must say that it is better to use some arithmetic question in replacing those awful captcha code.
Hi
In a CAPTCHA test (an acronym for "Completely Automated Public Turing test to tell Computers and Humans Apart," also sometimes spelled in lowercase), an image of letters is dynamically generated. The letters, because they're part of an image and not text (e.g. text that you could cut and paste), are difficult for a spambot or other computer program to read. Yet, a person has little trouble reading the letters in a captcha image.
Using a captcha test on a website is a great way to ensure, for instance, that a person and not a spambot is filling out a web form. Also, a captcha can make it difficult for a person to continuously resubmit form information and overwhelm the form's purpose.
The new and improved Recaptcha is like captcha, but accessible to the blind and involves its users in a public effort to digitze old books and periodicals. Learn more here.
Thanks
Have a nice time head.
Captcha is something which was created to stop automated computer spam robots from filling out forms, harvesting email addresses, and then sending out countless spam emails.
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Had this problem, patch works nice (manually aplied because i allready patched for guestbook usage and never 64 version), THX.
What a pity no activity in this area for so long time.
If you are using wordpress, you can get plug-ins that provide captcha for free. This will help minimize spammers from posting irrelevant comments in your site.
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wish they would add captcha to these forums O_o
CAPTCHA is usually a random image or alphanumeric shown on blogs for comment forms or even signing-up on forums to avoid spam contents and automatic sign-ups and auto-commenting. Its a great anti-spam tool.
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Hello Friends....
CAPTCHA typically involves a computer which 'serves up' a puzzle (this usually involves number and/or letter combinations) that a user has to input into a designated box in order to proceed with whatever process the CAPTCHA is guarding
Thanks
In a CAPTCHA test (an acronym for "Completely Automated Public Turing test to tell Computers and Humans Apart," also sometimes spelled in lowercase), an image of letters is dynamically generated. The letters, because they're part of an image and not text (e.g. text that you could cut and paste), are difficult for a spambot or other computer program to read. Yet, a person has little trouble reading the letters in a captcha image.
This is just the code of verification which confirms that the user is a human or any bot for saving the website from spammers or bulk submitter.
In a CAPTCHA test (an acronym for "Completely Automated Public Turing test to tell Computers and Humans Apart," also sometimes spelled in lowercase), an image of letters is dynamically generated..Using a captcha test on a website is a great way to ensure, for instance, that a person and not a spambot is filling out a web form. Also, a captcha can make it difficult for a person to continuously resubmit form information and overwhelm the form's purpose.For users who have a solid grounding in PHP and how HTML forms work, this example will show how to implement a captcha .
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