You can obtain input and information from your visitors from website forms. Such forms may have text areas and input fields for usernames, passwords, e-mail addresses, etc.
The website should check the provided input and determine if it validates based on a pre determined set of rules. E-mail addresses should for example contain a “@” and […]

Popularity: 33% [?]

There are many alternatives that may replace the unreadable captcha or make it more reader friendly. Some of these alternatives can be used without the user noticing, the non interactive alternatives. Others are just variations of the reverse Turing test of which the captcha is also an example. Although I realize that these alternatives are […]

Popularity: 65% [?]

I think that captchas will drive away some of your visitors. Captchas are irritating, annoying and damage user experience.
Most of the times, Captchas are used to prevent spammers to use automated programs to insert spam into your websites. This is a good reason to use a captcha as long as it is effective against spam.
I […]

Popularity: 48% [?]