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
Humble servants Our electrical appliances should be humble servants, to be seen and heard as little as possible. They should ideally stay in the background, like a valet in the old days, that one hardly noticed. — Erwin Braun They should accompany an individual over a long period of time without hindering or disturbing through ‘extravagant forms, loud colors or flashy proportions’. Sophie Lovell & Dieter Rams, Dieter Rams: As Little Design as Possible Functionalism can be a kind of religion tools