I try to steer clear of modifying a page without the user triggering the change, much less automatically refresh or redirect a page. There are times when automatically refreshing the page is important, like when you pull up game play-by-play pages on NFL.com or ESPN.com. Whatever your reason for automatically refreshing the page, keep one thing in mind: auto-refresh only pages that have little interaction -- nothing more than a click.
var timer = null;
window.location = 'http://domain.com/page.php';
<body onload="timer = setTimeout('auto_reload()',10000);">
The META Tag Method
The following refreshes the page every 30 seconds.
<meta http-equiv="refresh" content="30" />
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If you haven't heard of Woot.com, you've been living under a rock. For those who have been under the proverbial rock, here's the plot:
Every day, Woot sells one product.
Once the item is sold out, no more items are available...