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
The preliminary sketch Among the best woodblock prints are many that seem not to have adhered strictly to the preliminary sketch. The sketch simply indicated a general direction, and in many cases was not used at all. Or it was even improved upon in the process of carving and brought vividly to life; the woodblock qualities of the print were accentuated and highlighted. Yanagi Sōetsu, Woodblock Prints BlueprintsHead and hand drawing