By Jennifer Kyrnin

If you are concerned about caching for your readers, there is a way to tell their browsers to not cache a page, or even indicate how long to cache the page. This way, you can control how the browsers display your pages.

This is done with a meta tag:

<meta http-equiv="expires" content="0">

Setting the content to "0" tells the browsers to always load the page from the Web server. But you can also tell the browsers how long to leave a page in cache. Instead of "0" you write the date, including time, that you would like the page to be reloaded from the server. Note, the time should be in Greenwich Mean Time:

<meta http-equiv="expires" content="Thu, 19 Oct 2000 00:00:00 GMT">

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