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
I mix it with two in my thought It is the artist who, more than other men, is able to create something out of nothing. A whole artistic work is immeasurably more than the sum of its parts. “I mix it with two in my thought”; this is the statement of the fact of universal experience that the work of art has real existence apart from its translation into material form. Dorothy Sayers, The Mind of the Maker The design concept art