actually the delay of a key event should be equal to the delay for pressing a dialog button for example, so its mainly depending on your ping.
in general if u use triggers with key detection (or any other trigger that fires often), you should try to optimize it as good as possible to avoid lag.
general rule: as more often a trigger fires, as more important it is to optimize it as well as possible. however, trigger optimizing is overrated by lots of people especially at their point of trigger knowledge.
actually the delay of a key event should be equal to the delay for pressing a dialog button for example, so its mainly depending on your ping.
in general if u use triggers with key detection (or any other trigger that fires often), you should try to optimize it as good as possible to avoid lag.
general rule: as more often a trigger fires, as more important it is to optimize it as well as possible. however, trigger optimizing is overrated by lots of people especially at their point of trigger knowledge.