Website Response Times An Article by Jakob Nielsen www.nngroup.com Users really care about speed in interaction design...A snappy user experience beats a glamorous one, for the simple reason that people engage more with a site when they can move freely and focus on the content instead of on their endless wait. 0.1 seconds gives the feeling of instantaneous response. This level of responsiveness is essential to support the feeling of direct manipulation. 1 second keeps the user's flow of thought seamless. 10 seconds keeps the user's attention. A 10-second delay will often make users leave a site immediately. uxperformanceinteraction
Material tour de force: The work of Eladio Dieste An Essay by Eladio Dieste archleague.org Show image 0 Show image 1 I have explained, and supported with evidence, the concern for rationality in construction and economy understood in, I dared to say, a cosmic sense rather than a financial sense. However, this is not the whole thing that has guided me. I have also been guided by a sharp, almost painful, awareness of form. formmaterial