Interactive Web Design
Interactive website design allows some kind of interaction with users.
The most common device used for this luxury is Common Gateway Interface or CGI.
Guestbooks, membership signups, newsletter registrations and similar tasks use CGI. Some of these interactions like product purchases, which handle sensitive information require security measures for protection of that information.
Interaction with users usually involves the use of HTML forms which are used to collect the information from the client and CGI scripts which handle the processing of the data.
Content Management Systems (CMS)
Most web hosts these days offer the option of creating your web site with a CMS.
Many CMS software packages employ PHP and MySQL. Most of them have built in features for membership registration, article posting by members and administrators, feedback forms, polls, forums and more. More info...