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A captcha (/ ˈkæp.tʃə / KAP-chə, originally the acronym CAPTCHA) [1][2][3][4] is a type of challenge–response test used in computing to determine whether the user is human in order to deter bot attacks and spam.
For commercial entities, maintaining contact forms on web pages rather than publicizing e-mail addresses may be one way to ensure that incoming messages are relatively spam-free yet do not get lost. In conjunction with CAPTCHA fields, spam on such comment fields can be reduced to effectively zero, except that non-accessibility of CAPTCHAs bring the same deterrent problems as address munging ...
HTML form. A webform, web form or HTML form on a web page allows a user to enter data that is sent to a server for processing. Forms can resemble paper or database forms because web users fill out the forms using checkboxes, radio buttons, or text fields. For example, forms can be used to enter shipping or credit card data to order a product ...
Don't let a CAPTCHA catch you off guard. Learn what to do if you see an image challenge when trying to send AOL Mail.
reCAPTCHA Inc.[1] is a CAPTCHA system owned by Google. It enables web hosts to distinguish between human and automated access to websites. The original version asked users to decipher hard-to-read text or match images. Version 2 also asked users to decipher text or match images if the analysis of cookies and canvas rendering suggested the page ...
mailto mailto is a Uniform Resource Identifier (URI) scheme for email addresses. It is used to produce hyperlinks on websites that allow users to send an email to a specific address directly from an HTML document, without having to copy it and entering it into an email client.
FormMail. Formmail and its many variants, is a free open source web server CGI script that captures and processes form contents and then typically e-mails them to one or more recipients. The script, originally created in Perl, was originally written in early 1993 by Reuven M. Lerner, as part of his work on The Tech, and was included in the ...
PrimeFaces is an open-source user interface (UI) component library for JavaServer Faces -based applications, created by Turkish company PrimeTek Informatics. [2]