Ten Things That Will Make or Break Your Web Site, found at TechSoup:
- EASY is the most important feature of any Web site, Web application, or program.
- Visual design and copy are extremely important.
- Open up your data as much possible.
- Test, test, test.
- Release features early and often.
- Be special.
- Don’t be special.
- If you plan on developing a successful Web application, plan for scalability from the ground up.
- Identify the tools you need.
- Keep abreast of user-generated content and social software trends.
This is just a shortlist; their has lots more info. 🙂