Users do not keep their attention on the page if downloading exceeds 10 seconds, corresponding to 30 KB at modem speed. Keeping below these size limits rules out most graphics. To see how your site stacks up, go to the Gif Wizard site. Type in your home page address and the site will give you a good look at how fast or slow your pages will download. Name links appropriately, put links to your main areas on every page and make sure that every page includes an email address.
Nothing is more annoying for a web user than having a question and no way to ask it.
It's too easy to misuse them and they can make life very frustrating for web users. Besides, you're breaking SAE guidelines if your link to the national page puts our site within your frames. Outdated material is the number one way to turn people off and keep them away from your site. People even read differently on the web. Another site that will let you optimize your graphics, but this one lets you pick the degree of compression.