Depth vs Breadth in the Arrangement of Web Links

The purpose of this study was to examine the effect of depth and breadth of web site structure on the user response time.

Mtei, Lianaeli and Panayiotis Zaphiris. SHORE (1997). Design>Web Design>Human Computer Interaction>Usability

Scrolling and Scrollbars

Despite posing well-known risks, websites continue to feature poorly designed scrollbars. Among the ongoing problems that result are frustrated users, accessibility challenges, and missed content.

Nielsen, Jakob. Alertbox (2005). Articles>Web Design>Human Computer Interaction>Usability