When I have to load new information from my web server via ajax after a user action, how fast should the information be displayed for the user in order to be a good working UI for the user?
Answer
I've always been told that a delay of 100ms is generally not perceivable. An answer in a similar StackOverflow thread says:
The 100 ms threshold was established over 30 yrs ago. See:
Card, S. K., Robertson, G. G., and Mackinlay, J. D. (1991). The information visualizer: An information workspace. Proc. ACM CHI'91 Conf. (New Orleans, LA, 28 April-2 May), 181-188.
Miller, R. B. (1968). Response time in man-computer conversational transactions. Proc. AFIPS Fall Joint Computer Conference Vol. 33, 267-277.
Myers, B. A. (1985). The importance of percent-done progress indicators for computer-human interfaces. Proc. ACM CHI'85 Conf. (San Francisco, CA, 14-18 April), 11-17.
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