Before you jump right into writing your first page, you should become familiar with the most common mistakes made in Web design. The ability to let people click and choose the content they want to see and the ability to communicate fast and efficiently are. Making a Web page just to have one isn't reason enough. Think about what your purpose is and this will help you develop an overarching theme for your site.
Currency is key, so plan to keep making changes often.
Document the layout of your site. A simple flow chart is the most common way to do this.