The poller needs to examine the HTTP headers pertaining to modifications including If-Modified-Since and Last-Modified, so that it only downloads if the feed has been updated.
The Poller already does this. However, when you close the Poller and restart, it does not assume that cached data is available. This is something I will modify, but the Poller does indeed look at last-modified headers when getting feeds.
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The Poller already does this. However, when you close the Poller and restart, it does not assume that cached data is available. This is something I will modify, but the Poller does indeed look at last-modified headers when getting feeds.