Search your web site for a word or phrase. Not all users have a graphics browser. A frequently overlooked issue is the accessibility of a web site. What about persons who use alternative keyboard systems which have limited mouse use. In that case, accessibility depends on the Web page design itself.
Some pages are accessible because they observe a few simple design principles.
Unfortunately, many Web documents can present a definite obstacle to users with disabilities. You can write your HTML code by hand. HTML for Dummies Quick Reference by IDG Books, is an inexpensive and well written introduction to web page designing. Borrow other people's ideas. This way, when you see something on a web page you would like to use for your page, you can see how that author did it.