Feed subtitle Etag http://diveintomark.org/tests/client/http/etag.xml 2006-01-18T00:00:00Z Example feed author http://url.example.com/ f8dy@example.com 2006-01-18T00:00:00Z 2003-07-22T21:10:26Z http://example.com/entry/id/Etag <p>This is example Etag, testing If-None-Match/Etag support. After initial request, client should send If-None-Match header on request with value of the Etag header that was returned on the previous reply. Subsequent reply of HTTP code 304 indicates the feed has not changed since last polled.</p>