Re: Finding out when a Web page has changed

From: Date: Thu, 26 Sep 2002 12:44:27 +0000
Subject: Re: Finding out when a Web page has changed
References: 1  Groups: php.general 
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I was about to tell you to use Last-Modified Header! ;) Well then...try to fetch the page's size and compare with last time, if changes then regrab the page. Elias, "Vikram Vaswani" <vikram@w-o-i.com> wrote in message news:3.0.5.32.20020926160348.008ca100@bom5.vsnl.net.in... > Hi all, > > I need to write an application that accepts a list of URLs and checks them > on a daily basis (via cron) to see if the pages have changed in the past day. > > I need some help with this. Does anyone know the most optimal way to find > out when a particular Web page has been modified? I am thinking about using > the Last-Modified: HTTP header - however, all servers do not return this > header - any ideas on what the fallback should be? > > TIA, > > Vikram > -- > "I find your lack of faith disturbing." > --Darth Vader

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