YouTube’s traffic and streams served shot up again in April over the month before.

The world’s biggest video-sharing site delivered 4 billion streams last month to nearly 74 million unique visitors, according to Nielsen Online. That compares to 3.6 billion streams delivered to nearly 70 million visitors in March.

YouTube also pulled further away from its closest competitor, Fox Interactive Media, which served up 329 million streams, down from 333 million streams in March. However, the number of unique visitors to Fox Interactive Media rose to 21 million from 20 million.

Yahoo also dipped, dropping to 222 million streams in April from 266 million in March. Unique visitors stayed about the same at 22 million.