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  1. February 17th, 2006, 10:47 PM #1
    greatfree
    greatfree is offline Member
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    How To Decide the Web Page is Updated or Not?

    Dear all,

    I am trying to implement a system that needs to access Web pages. To increase the performance, I hope to fetch Web pages only if they are updated. It seems that it is not accurate to do that based on date information of a page? If so, could you please give me an idea? What does IE deal with this issue?

    Best regards,
    Greatfree
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  2. February 18th, 2006, 06:10 AM #2
    Eric_Van_de_Kerckhove
    Eric_Van_de_Kerckhove is offline Member
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    Re: How To Decide the Web Page is Updated or Not?

    why don't you make a timer to check if the html code of the page has changed?
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  3. February 18th, 2006, 06:22 AM #3
    greatfree
    greatfree is offline Member
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    Re: How To Decide the Web Page is Updated or Not?

    Quote Originally Posted by Eric_Van_de_Kerckhove
    why don't you make a timer to check if the html code of the page has changed?
    Make a timer? The timer must reside at the client. If so, it only works after a page is transmitted to the client. Even if the page on the server is changed, how can I realize that?
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