Web Application Form Design

LukeW: Web Application Form Design: "Input elements should be organized in logical groups so that your brain can process the form layout in chunks of related fields.HTML: the Definitive Guide

Quite rare is the Web application that doesnt make extensive use of forms for data input and configuration. But not all Web applications use forms consistently. Variations in the alignment of input fields, their respective labels, calls to action, and their surrounding visual elements can support or impair different aspects of user behavior. "