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.