Visit
http://www.speedtest.net.
Click on Begin Test at the top of the map (below the advertisement), and let it run until it displays the results.

Your download speed will be displayed in a box like the following:

To watch the free streams, your download speed should be greater than 1 Mb/s (megabits per second) for the best viewing experience. Any results listed as Kb/s (kilobits per second) may experience pauses or interruptions. The free streams are transmitted at 498 and 298Kb/s.

Connects to the video stream.

Stops the video stream. (Pausing is not available on the live feed.)

Makes the video fullscreen.

Controls the volume level.