Very often I find myself waiting for a web page to display, or for a
usenet news article to display. The window is blank, and the connection
appears to be stalled. But if I cancel the connection (command-period),
the window displays most or all of the data.
A possibly related issue: I start to load a web page (clicking a link)
or a news article (double-clicking a header) and nothing happens for
several seconds or several minutes. I cancel the connection and try the
same thing again. This time it transfers immediately.
I have seen this on several Macs running ...