What is the best way to detect when a feed has been updated? Say I have an application which polls the feed every 15 minutes. How do I find out if new content has been added or not? For RSS as well as Atom feeds.
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What is the best way to detect when a feed has been updated? Say I have an application which polls the feed every 15 minutes. How do I find out if new content has been added or not? For RSS as well as Atom feeds.