Coding: Formative Evaluation
Formative evaluation is the process of examining and revising a product before publishing. Always check your project on a variety of systems. Use different web browsers, a variety of computer systems, slow and fast Internet connections, small and large screens, and different computer platforms.
Read Chapter 22: Testing and Debugging Web Pages by Elizabeth Castro in HTML, XHTML, & CSS, Sixth Edition.
This section of the website contains three elements: Procedures, Validation, Web Accessibility.