[rits]

I know the hacker's absolute weapon for testing quality of web design. Just make a screenshot of your site. And try to write a program that can recognize on this picture all the important stuff (headings, paragraphs, links, phones, keywords...) and determine the UI elements and other stuff (headers, footers, menus, buttons, ADs, etc). If writing such program would be easy deal, then your design is good enough.