Prevent Browsers Caching (1 post)

  1. WPers
    Posted 8 years ago #

    Hi everybody,

    I'd like to find something that will give viewers an updated page whenever they enter a page. It will be used for current conditions and I want to avoid any caching their browser/server will do. I have found a couple, and try adding:

    <meta http-equiv="Pragma" content="no-cache" />
    <meta http-equiv="Cache-Control" content="no-cache" />
    <meta http-equiv="Expires" content="-1" />

    to my meta tags (header.php), but they won't serve my purpose. I've tried Javascript below too:

    <script type="text/javascript">
    var domain = "mydomain.com"
    var str=location.href
    var pos=str.indexOf(domain)
    if (pos>=12 || pos=-1)

    but javascript above doesn't work properly. And i try again using this:

    header( "Expires: Mon, 20 Dec 1998 01:00:00 GMT" );
    header( "Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT" );
    header( "Cache-Control: no-cache, must-revalidate" );
    header( "Pragma: no-cache" );

    but still doesn't work. Possibility, these codes above is no good for this sort of thing as it's client-side. So perhaps anybody knows a good server-side script to do this (a php version), include how to use it, please let me know.

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