Get the number of bytes received from the network for the response body.
This value is available right before signalMessage::got-body signal is
emitted, but you might get an intermediate value if called before. For
resources loaded from the disk cache this value is always 0.
Get the number of bytes received from the network for the response body.
This value is available right before signalMessage::got-body signal is emitted, but you might get an intermediate value if called before. For resources loaded from the disk cache this value is always 0.