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 Characteristics of Kogin An Essay from The Beauty of Everyday Things by Yanagi Sōetsu This is how time is forgottenThere is no kogin that can be called poor
This is how time is forgotten This is how time is forgotten; this is how work absorbs the hours and days. timeeuphony