There is a big difference between a web site and a good web site. You will notice that I have put design last, people will put up with a ugly site if it provides them with the information they require.
Lets look at the manager points about building a good web site.
The lay out of your site is very important. Place you images inside a folder of their own think about placing files relating to each page in their own folders. This makes your site is to manage when it comes to building and managing. The top Ten sites in the world all have white background with black text. Why because it is the easiest to see and read.