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How do I get browsers to load revised files instead of the ones on my computer?

Discussion in 'Web Design & Development' started by Nflder, Apr 24, 2010.

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  1. Nflder

    Nflder Thread Starter

    Aug 21, 2003
    I have always used Ctrl/Enter to force browsers to load an edited page instead of the one on my computer. I am find it increasingly difficult to get either FireFox or IE to load newer files. It is especially difficult with script files. I have even deleted files on the server and forced the browser to produce an error - file not found, then uploaded the file and the browser still loaded the older file, presumably the one on my computer.

    This is really irritating and I'm sure its just something I'm overlooking... Help!!!
  2. allnodcoms


    Jun 30, 2007
    The answer is to ask the browser not to cache your pages, this forces them to reload from the remote, server side copy.
    This is a good start:

    <META HTTP-EQUIV="Pragma" CONTENT="no-cache">
    <meta http-equiv="expires" content="-1" />
    <meta http-equiv="cache-control" content="no-store, no-cache, must-revalidate">
    The first two work for FF & IE, the third is for Safari. There is one more thing with Safari though, as I found out after two days of wondering why my back button would take me back to a page where the user had logged out and the session had been closed. Safari doesn't close a page when you navigate away, it buffers it - putting it on hold if you like. When you go back to it using the history, Safari just resumes it, so no onLoad event gets called, bypassing a fair bit of validation. The way around this is to utilise the onUnload event. You don't need to do anything in it, just acknowledge it. I call an empty function called 'doZip()' and that seems to work fine.

    Hope that helps...


    Here's the original post
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