A quality website is usually praised for its design decisions. What the audience is really praising is the site's usability (UX), the user friendliness of getting tasks accomplished. Aesthetic value is different person to person and culture to culture but the ability to get a task completed does not have the same variations.
* A little background history
* How UX fits into the overall design plan
* The web is not print and this is a good thing.
* Understand your audience
* Start with the basics content and typography
* How Responsive Design can ease design pain
* How to evaluate what good UX is
* Walk through numerous examples of websites that are good but could be better by a little UX realignment.