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Response Time Limits: Article by Jakob Nielsen - NN/G

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Some of the data collected by this provider is for the purposes of personalization and measuring advertising effectiveness. Some of the data collected by this provider is for the purposes of personalization and measuring advertising effectiveness. NEW RESEARCH COURSES: UX Research Methods, Heatmaps | Learn More January 1, 1993 Share Excerpt from Chapter 5 in my book Usability Engineering, from 1993: The basic advice regarding response times has been about the same for thirty years [Miller 1968; Card et al. 1991]: Normally, response times should be as fast as possible, but it is also possible for the computer to react so fast that the user cannot keep up with the feedback. For example, a scrolling list may move so fast that the user cannot stop it in time for the desired element to remain within the available window. The fact that computers can be too fast indicates the need for user-interface changes, like animations, to be timed according to a real-time clock rather than being timed a

4 Response Times: The 3 Important Limits Jakob Nielsen Jakob Nielsen January 1, 1993 1993-01-01 Share Email article Share on LinkedIn Share on Twitter Summary: There are 3 main time limits (which are determined by human perceptual abilities) to keep in mind when optimizing web and application performance. Excerpt from Chapter 5 in my book Usability Engineering , from 1993: The basic advice regarding response times has been about the same for thirty years [Miller 1968; Card et al. 1991]: 0.1 second is about the limit for having the user feel that the system is reacting instantaneously , meaning

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