Usability.gov es una Web del departamento de Salud y Servicios Humanos del gobierno de EE.UU.

Entre una gran valiosa información la mas destacable es un documento PDF que podemos descargas en capítulos con recomendaciones de diseño Web y usabilidad; lo que se llama unas Guidelines… no me pregunteis… las conocí asi y asi las llamo.

www.usability.gov
View and Print Entire Guidelines Book (2006 ed.) (292 pages, 161 MB)

Por capítulos:

• Chapter 1 ? Design Process and Evaluation (8 pages, 1.8 MB)
• Chapter 2 ? Optimizing the User Experience (13 pages, 8.9 MB)
• Chapter 3 ? Accessibility (7 pages, 2.4 MB)
• Chapter 4 ? Hardware and Software (5 pages, 2.8 MB)
• Chapter 5 ? The Homepage(10 pages, 11.8 MB)
• Chapter 6 ? Page Layout (14 pages, 20.4 MB)
• Chapter 7 ? Navigation (13 pages, 12.8 MB)
• Chapter 8 ? Scrolling and Paging (5 pages, 4.4 MB)
• Chapter 9 ? Headings, Titles, and Labels (9 pages, 7.7 MB)
• Chapter 10 ? Links (15 pages, 16.7 MB)
• Chapter 11 ? Text Appearance(11 pages, 11 MB)
• Chapter 12 ? Lists (9 pages, 6.4 MB)
• Chapter 13 ? Screen?Based Controls (Widgets) (22 pages, 14.7 MB)
• Chapter 14 ? Graphics, Images, and Multimedia (16 pages, 16.5 MB)
• Chapter 15 ? Writing Web Content (11 pages, 10.8 MB)
• Chapter 16 ? Content Organization(10 pages, 9.8 MB)
• Chapter 17 ? Search (9 pages, 8.9 MB)
• Chapter 18 ? Usability Testing (10 pages, 1,020 KB)