The best one pages are those that help you convey your message into a few quick scrolls. They are well designed and compatible with most Internet browsers. From a one page with pics and text, to amazing parallax scrolling effects, there are several different approaches to creating a single page site. Not every project is suitable for this approach, but if yours allow you to take this route, go for it.
Here are 20 one page website examples that certainly pushing the boundaries of site layout and navigation.