All static web page elements that were designed during the mock-up and layout creation should be created and tested. Then, special features and interactivity should be added. A deep understanding of every website development technology that you are going to use is crucial at this phase.
At this stage, the development team starts creating the website itself. Development usually follows the website hierarchy or the sitemap, starting with home page and moving through each layer of subpages. On each page, the static web elements are created and tested. Then special features and interactivity is added.