Links are underlined, so they are clear to a visitor. Buttons are not too big. Every graphic has an alt label. Every graphic link has a text alternative. Animated graphics turn off by themselves, or better still are not used.
Pages download quickly.
All pages have good visual impact within a 640 x 460 screen size. Every web page in the web site looks like it belongs to the same web site. Default gray backgrounds. Backgrounds that distract and make the text hard to read. Text too small to read.