An Guide to Web Form Usability

By Justin Mifsud

http://www.smashingmagazine.com/2011/11/08/extensive-guide-web-form-usability/

Contrary to what you may read, peppering your form with nice buttons, color and typography and plenty of jQuery plugins will not make it usable. Indeed, in doing so, you would be addressing (in an unstructured way) only one third of what constitutes form usability.

Example of a conversation web form:

The three types of web forms: