Any widget inside a NextReports Server dashboard can have a refresh time. By default this is zero and no refresh is done. If it is set to a bigger value, then after the specified number of seconds the widget is auto refreshed.
Sometimes, if a dashboard has many widgets, you may want to find which of them have a refresh > 0. From version 9.0 this will be easily possible because widget's header will contain the actual refresh time if any:
The time is nicely show in hours, minutes and seconds (if any):