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CAPTCHA

en.wikipedia.org/wiki/CAPTCHA

A CAPTCHA is a type of challenge-response test used in computing to determine whether or .... Sometimes, if part of the software generating the CAPTCHA is client-side (the validation is done on a se...

Problems viewing or passing CAPTCHA verification - Yahoo Help ...

help.yahoo.com/kb/SLN2662.html

Learn what CAPTCHA is, and why Yahoo uses it to verify you're human.

Captcha Verification - Qualtrics Support

www.qualtrics.com/support/survey-platform/edit-survey/editing-questions/question-types-guide/advanced/captcha-verification/

This Qualtrics support page teaches about the Captcha Verification question type , which asks survey respondents to verify that they are not robots.

Form doesn't accept the captcha code. What to do?| 123ContactForm

www.123contactform.com/docs/i-enter-the-correct-verification-number-but-the-form-does-not-accept-it-why/

In some browsers, the captcha code (verification number) is not accepted, even though it's typed in correctly. Follow our guide to fix this problem.

reCAPTCHA: Easy on Humans, Hard on Bots - Google

www.google.com/recaptcha

The new reCAPTCHA is here. A significant number of your users can now attest they are human without having to solve a CAPTCHA. Instead with just a single ...

The system always shows the error of "CAPTCHA verification failed ...

www.aece.ro/helpdesk/knowledgebase.php?article=73

Nov 19, 2011 ... Question. The system always shows the error of "CAPTCHA verification failed" while the code is right. What is the problem? Solution. First of all ...

How to use captcha, understand, use and implement captcha, to ...

www.captcha.tv/

What is Captcha ? Captcha is an acronym - explained later, but mainly captcha is a simple verification system made up of: 1] the captcha image and the captcha ...

Captcha script for web forms - SnapHost.com

www.snaphost.com/captcha/

Captcha script. Free and paid HTML code for Captcha form-to-email scripts. Web forms with anti-spam protection, ready to be copied-and-pasted to your site.

What is CAPTCHA and How it Works? | GoHacking

www.gohacking.com/what-is-captcha-how-it-works/

In simple words, CAPTCHA is the word verification test that you will come across the end of a sign-up form while signing up for Gmail or Yahoo account.

Captcha Code — WordPress Plugins

wordpress.org/plugins/captcha-code-authentication/

Adds Captcha Code anti-spam methods to WordPress forms. Forms include comments form, registration form, lost passwordform and login form. In order to post ...

More Info

The Official CAPTCHA Site

www.captcha.net

Includes demonstrations, research papers, and news.

What exactly is a CAPTCHA? How does it work? | Dictionary.com Blog

blog.dictionary.com

Oct 11, 2011 ... Websites use CAPTCHAs to keep spammers from posting on their sites. ... verification anymore and all is happy without the sad captcha tripe.

reCAPTCHA Help - Google Help

support.google.com

Accessibility; This CAPTCHA is too hard; My computer is sending automated .... reCAPTCHA checkbox checked after successfully completing a verification ...