The Before and After Demonstration is a multi-page resource that shows an inaccessible website and a retrofitted version of this same website. Each web page includes inline annotations that can be activated to highlight some of the key accessibility barriers or repairs. Each web page is also accompanied by an evaluation report to inform the developers on the level of conformance to the Web Content Accessibility Guidelines (WCAG).
Many advocates of web accessibility tend to have rather dull, unattractive websites. This is unfortunate, as web accessibility need not affect the design of the website in any way whatsoever. To fully dispel this myth, have a look at the CSS Zen Garden
Any web developer with basic HTML and CSS design knowledge, and a bit of time on their hands, can easily learn and implement web accessibility.