php - RSS Feed "Updating Too Often" -


this may or may not silly question know little of mysterious ways of rss feeds, can put me straight!

i have website rss feed of news items. user has complained feed updating crazily frequently, without change in top 5 news items displayed.

i'm ashamed don't use rss feeds personally, don't know implies 1 "updating often" - can see how annoying, if keep checking "updated feed" find no new content, or worse if receiving continual alerts of non-existent updates. say, don't have clear picture of how rss feed consumption works.

the next question is, if way our site generating rss feed problem, can it? top news items aren't changing incredibly frequently. it's possible, not certain, automated scripts updating items in database related news items, though still, can't imagine how happening "crazily frequently". rss feeds, how work? re-generation of top news items count update everyone's rss readers, if top news items intents , purposes same before?

if it's relevant, rss feed being generated standard cakephp helpers purpose.

anyone have insights rss issues of sort, , can put me on right track solution?

edit: okay, subscribed feed using safari default rss reader , indeed, on course of afternoon had 2 identical copies of each news item in inbox. i'm pretty sure no new "real" news items being generation, must registering rss readers update, , don't know what. question may not have been clear (argh, downvote) still stands!

an rss feed feed can parsed(understood) computers easily. there more enough sources explaining rss(xml). example wiki page rss has an example of feed.

if understand correctly subscribed feed gets updated every time update(news) created. finds happens more , likes have feed containing important news items. if understand should provide new different feed(another url) popular updates.

i inform pubsubhubbub(hubbub) make feeds realtime. when consumers(who parse feed) using hubbub protocol information pushed(gets delivered) instead of polling(asking time if there new information available without new information being available).


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