dwell time
noun[U]
ukusMARKETING
howlongpeoplearelikelytospendlookingat anadvertisement,buyinggoods, etc.,especiallywhile they arewaitingsomewheresuch as anairportortrainstation:
Theaverageuserdwelltimeon theseadswas 4.7seconds.
Why put thestoresinrailwaysstationswheredwelltimeislimited,ratherthan inairportswherepeopleareroutinelywaitingforhours?