Subset of Guidelines in TAFIM
Summary for tafim1996:
Section Topic/Action Timing (sec) Guidance 6.6.2 Work-in-progress window 5 sec For simple requests that can be processed under this time, provide simple visual feedback via a brief message. If the request response exceeds this time, the application should provide a window to indicate work in progress. 8.3.1.14 Control 5 to 200 ms System response time. 8.3.1.15 Feedback 15 sec If the user waits more than this time, provide a periodic indication of normal operation.