HTTP Conditional Get
October 22nd, 2002
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My “last updated” blogroll on the left hand side of the page is now much friendlier than before. I’ve made a fairly trivial changed my script so that to now use LWP::Simple‘s mirror() function, rather that it’s get() one. This uses the If-Modified-Since header to only fetch the body of people’s RSS feeds if they’ve changed. It should not only cut down on bandwidth usage, but also makes it much faster to update my blogroll, which was becoming quite slow, as this is all running on a fairly old machine.
