There are times when you want to tell someone your site’s feed address or URL, or you need it to submit it to search engines and directories, many of which now accept feed URL submissions. There are four possible URLs for each of your feeds. Any of these will work.
http://example.com/wp-rss.php http://example.com/wp-rss2.php http://example.com/wp-rdf.php http://example.com/wp-atom.php
Or you can access them like this:
http://example.com/?feed=rss http://example.com/?feed=rss2 http://example.com/?feed=rdf http://example.com/?feed=atom
If you are using custom permalinks, you should be able to reach them through this usage:
http://example.com/feed/ http://example.com/feed/rss/ http://example.com/feed/rss2/ http://example.com/feed/rdf/ http://example.com/feed/atom/
Categories and Tags
You can also provide feeds to only specific categories or tags on your site by adding the following to the end of the link:
http://www.example.com/?cat=42&feed=rss2 or http://www.example.com/?tag=tagname&feed=rss2 or http://example.com/category/categoryname/feed
Older versions of WordPress used a format such as
http://example.com/wp-rss2.php?cat=42
but this has been deprecated in newer versions.
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