Detecting Changes in RSS files
Long thread on Phil's site about how to implement efficient polling of feeds that don't change all that often. It's another case of reinventing HTTP...
Long thread on Phil's site about how to implement efficient polling of feeds that don't change all that often. It's another case of reinventing HTTP...
Permalink: http://blog.iandavis.com/2002/10/detecting-changes-in-rss-files/