Firefox plugin

If you want to refresh a website very often then this plug in are suitable for you. It help you to reloads web pages, you able to enable the reloads setting at every 5 seconds, 10 seconds, 1 minutes and etcs.
Download the Plugin here.
P/s : Please use auto refresh program carefully, because some sites perceive them as a denial of service attack. Use at your own risk. :p