Printable View
A Captcha is a program that can generate and grade tests that humans can pass but current computer programs cannot pass.These were created in response to bots that automatically fill in Web forms as if they were individual users. Bots are used to overload opinion polls, steal passwords and, most popular, to register thousands of free e-mail accounts to be used for sending spam.
_______________________________________________
Scrapbook Pages
Captcha is this simple thing which proves that the person who is trying to enter your site(not only yours of course) is a real one.
Tired of entering captcha when going to web sites like Craigslist, Backpage, Kijii and other sites? You have the ultimate solution with Captcha King to where you no longer have to enter captcha text ever again.
-----------------------------------------------
Link Building
SEO Packages
In myself personal impression I would say reCAPTCHA is the better CAPTCHA script out there,employments for me.
A CAPTCHA or Captcha (ˈkæptʃə) is a type of challenge-response test used in computing to ensure that the response is not generated by a computer.
--------------------------------------------
SEO
Organic SEO
CAPTCHAs are used to prevent automated software from performing actions which degrade the quality of service of a given system, whether due to abuse or resource expenditure. CAPTCHAs can be deployed to protect systems vulnerable to e-mail spam, such as the webmail services of Gmail, Hotmail, and Yahoo! Mail.
CAPTCHAs are used to stop automated posting to blogs, forums and wikis, whether as a result of commercial promotion, or harassment and vandalism.
It is a type of security code before form filling.
The CAPTCHA security image works by asking the website visitor to type in a code they see correctly. A human can do this, but an automated computer program cannot. Almost every Internet user will have an experience of CAPTCHA in their daily Internet usage, but only a few are aware of what it is and why they are used.
Captcha is a sort of security code placed before the submission of any form available online. Failure to enter it will not entertain form submission.
CAPTCHA is the system where you have to type into a box the characters/words you see "hidden" in an image and also know as spam blocker.
----------------------------------------------------------------------------------
firewall audit software
A CAPTCHA is a test that is used to separate humans and machines. PHP Captcha Script that generates unique captcha images to stop automated submissions.
------------------------------------
home automation
CAPTCHA code is designed to stop spam bots computerized forms, collecting email addresses and then sending countless emails. CAPTCHA security image works that calls for writing code, you can see well.
captcha is code were we confirm that we are human and we are not coming for spamming or do any illegal activity .
Captcha is a is the verification code, It is grade tests that humans can pass but current computer programs cannot.
-------------------------------------------
home security systems
CAPTCHA Captcha or is completely automated public Turing test to tell computers and people out is a type of challenge test / answer to ensure that the response is only generated by people and not by a computer.