Userfocus is a consulting and training company in the UK that specializes in website usability design. They have shared 247 guidelines for web usability design, dividing them clearly into nine major categories: homepage usability design, task orientation, navigation and information architecture, forms and data input, credibility, writing and content quality, page layout and visual design, search usability, help feedback, and error tolerance. As Userfocus puts it, "Although designing a usable system involves much more than just applying some simple guidelines, they can provide meaningful assistance in achieving consistency and good practice."