In a web conveyor 100, a boundary between a belt conveyer 110A and a belt conveyer 110B provided between an end portion 121u in upstream and an end portion 121d in downstream of a holding conveyer 120. In other words, the holding conveyor 120 that presses on the top surface of the web 200 is disposed at the boundary between the belt conveyor 110A and the belt conveyor 110B.