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
80/20 is the new Half-Ass An Article by Shawn Wang www.swyx.io The Pareto Principle is making you lazy. Let me be more precise: The Pareto distribution is a useful model of power law effects in real life. But people are using it poorly, primarily as an excuse to be lazy. ...People forget that the devil is in the details. The first 20% everyone knows to say on Twitter. The remaining 80% is the ugly, nasty, hacky, unglamorous shit nobody talks about unless you've got time to sweat the details. The Pareto principle detailscraft