The standard font for web pages is font face Arial, font size 2. The home page of the site should preferably fit on one page. If you have articles which are very long within the site, it is perfectly acceptable to put it all on one page. Design the pages for Netscape 4.x, IE 4.x. Most people these days design pages for IE 5.0 and forget to check how they look on Netscape.
Navigation can make or break a site.
And if you frustrate them, that's right, they are gone. Here are some basic navigation tips. All navigation should be on the left margin of the page or on the top of the page. This is the industry standard. The navigation links should be consistent from page to page.