Your movement through these three phases is not strictly sequential. Planning is always your first port of call, but construction and evaluation are phases that you will alternate between during the course of a project.
The World Wide Web is populated by millions of web pages. It is possible for almost anyone to create and upload a web page in next to no time at all. But, as in all things, there is a world of difference between an ill-conceived amateur product and that created with proffesionalism, quality and usability in mind.
There is so much more to a good web site than code quality. It must be easy to use and appealing in order to maintain an audience. Poor quality code makes a site difficult to maintain and prone to exhibit problems as newer browsers are released. Poor interface makes a site unappealing to its audience. True quality is achieved when sensible standards-based code is combined with an effective structure and design.
This guide endeavours to direct you through a process that will help you to produce quality results. There are three basic processes involved: