Jakob Nielsen, Ph.D., is a retired principal and co-founder (with Dr. Donald A. Norman) of the Nielsen Norman Group. Jakob established the "discount usability engineering" movement for fast and cheap improvements of user interfaces and invented the heuristic evaluation method.
Slow page rendering today is typically caused by server delays or overly fancy page widgets, not by big images. Users still hate slow sites and don't hesitate telling us.
As intranet projects benefit from powerful implementation platforms, teams should focus on optimizing the user experience for specific organizational needs, as 4 winning examples show.
Besides usability specialists, all design team members should observe usability. It's also good to invite executives. Although biased conclusions are possible, they're far outweighed by the benefits of increased buy-in and empathy.
iPad apps are inconsistent and have low feature discoverability, with frequent user errors due to accidental gestures. An overly strong print metaphor and weird interaction styles cause further usability problems.
Web users spend 69% of their time viewing the left half of the page and 30% viewing the right half. A conventional layout is thus more likely to make sites profitable.
Web users spend 80% of their time looking at information above the page fold. Although users do scroll, only 20% of their attention goes to content below the fold.