I keep having to refer back to how I have done this in the past because it is not obvious within Delicious how to do this, unless you start to dig around the developers documentation. So, I am posting this here in case anyone else needs to get the RSS feed for a Delicious tag.
I’ll get to why you may want to do this in a minute, but first the meat of the post.
To pull an RSS feed for a tag, the url pattern is:
http://feeds.delicious.com/v2/rss/tag/<insert tag here>?count=10
So, for example, to pull an RSS feed of the last 10 resources tagged moodle, the url would look like:
http://feeds.delicious.com/v2/rss/tag/moodle?count=10
That will pull an RSS feeds of the latest 10 resources tagged with the keyword “moodle”. If you want more or less resources, you simply change the number 10 to whatever number you want in your feed.
If you want to track a different tag, simply replace the word moodle with whatever tag you want to follow. So, if you want to track the last 20 resources tagged “pln”, for example, the feed would look like this:
http://feeds.delicious.com/v2/rss/tag/pln?count=20
Now, why would you want to do this? Well, one of the things I like to do is monitor Delicious for new items that are tagged by the community, but I don’t want to have to go to Delicious to see what is newly tagged for whatever topic I am tracking. What I like to do is pull an RSS feed into a site I already check everyday (actually multiple times a day) – my Netvibes page, which is my personal dashboard.
Here is what the Moodle example above looks like on my Netvibes Moodle tab:
The widget is in the top left corner of my Moodle tab, which is in context with all the other Moodle resources I am tracking on the web. Now whenever someone tags a resources with the keyword “moodle” in Delicious, it will appear in this widget, in context with all the other Moodle resources I am gathering.

August 27, 2012 at 1:53 am
Thankyou, thankyou, I “needed” how to get a rss feed for a delicious tag in order to follow it on my mobile phone
August 27, 2012 at 7:41 am
No problem. Glad it was useful.
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September 14, 2012 at 11:22 am
Super useful. Probably the main thing lost in the changeover(s) in the past few years… Thanks for getting to the bottom of it!
November 15, 2012 at 1:59 pm
Unfortunately it does not work. http://feeds.delicious.com/v2/rss/tag/{tag} is now empty :(
November 15, 2012 at 2:26 pm
Hmmm. Looks like Delicious is fiddling with their site. I see that they have a new design that they are rolling out (demo.delicious.com). Wonder if they are again mucking around with the RSS feeds? Might have to go hunting again & update this post.