Very well-categorized Web Usability Guidelines By Userfocus

Userfocus, a consultancy & training company on website usability, is sharing 247 web usability guidelines for creating more consistently & better.

The guidelines are very well-categorized like homepage, forms & data entry, navigation, search & more.

Here are some examples:

• Text boxes on forms are the right length for the expected answer.
• The home page shows good examples of real site content.
• The layout helps focus attention on what to do next.
• Search results are clear, useful and ranked by relevance.

All the guidelines are also provided as an Excel workbook, where you can go through a website & check the ones that are ok.

Website: http://www.userfocus.co.uk/resources/guidelines.html