Elements such as interactive contact forms, flash animations or ecommerce shopping carts are implemented and made functional during this phase, as well.
This entire time, your designer should continue to make your in-progress web site available to you for viewing, so that you can suggest any additional changes or corrections you would like to have done.
On the technical front, a successful web site requires an understanding of front-end web development. This involves writing valid XHTML / CSS code that complies to current web standards, maximizing functionality, as well as accessibility for as large an audience as possible.
This is tested in the next phase…