RSS Version Comparison
Identifies key differences between all RSS versions
Overview
All RSS versions are listed below, with either a required, optional, or not supported flag. In the case where multiple tag representations are supported under a format, a rowspan is set to represent this. Also note that RSS 2.0 modules and most RSS (RDF) 1.0 specific elements are not currently included.
- R - required
- O - optional
- N - not supported
File Header
| N |
N |
R |
N |
N |
<!DOCTYPE rss PUBLIC "-//Netscape Communications//DTD RSS 0.91//EN" "http://my.netscape.com/publish/formats/rss-0.91.dtd"> |
| R |
N |
N |
N |
N |
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://my.netscape.com/rdf/simple/0.9/"> |
| N |
R |
N |
N |
N |
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns="http://purl.org/rss/1.0/"> |
| N |
N |
R |
R |
R |
<rss version="{version number}"> |
Channel elements
These elements exist inside the channel element.
| N |
N |
N |
O |
O |
<category> |
| N |
N |
N |
O |
O |
domain attribute |
| N |
N |
N |
O |
O |
<cloud> |
| N |
N |
N |
O |
O |
domain attribute |
| N |
N |
N |
O |
O |
port attribute |
| N |
N |
N |
O |
O |
path attribute |
| N |
N |
N |
O |
O |
registerProcedure attribute |
| N |
N |
N |
O |
O |
protocol attribute |
| O |
O |
O |
O |
O |
<image> |
| R |
R |
R |
R |
R |
<title> |
| R |
R |
R |
R |
R |
<url> |
| R |
R |
R |
R |
R |
<link> |
| N |
N |
O |
O |
O |
<description> |
| N |
N |
O |
O |
O |
<width> |
| N |
N |
O |
O |
O |
<height> |
| O |
O |
O |
O |
O |
<textinput> |
| R |
R |
R |
R |
R |
<title> |
| R |
R |
R |
R |
R |
<description> |
| R |
R |
R |
R |
R |
<name> |
| R |
R |
R |
R |
R |
<link> |
Channel
| R |
R |
R |
R |
R |
<channel> |
| R |
R |
R |
R |
R |
<title> |
| R |
R |
R |
R |
R |
<description> |
| R |
R |
R |
R |
R |
<link> |
| N |
N |
R |
O |
O |
<language> |
| N |
N |
O |
O |
O |
<copyright> |
| N |
N |
O |
O |
O |
<docs> |
| N |
N |
O |
O |
O |
<lastBuildDate> |
| N |
N |
O |
O |
O |
<managingEditor> |
| N |
N |
O |
O |
O |
<pubDate> |
| N |
N |
O |
O |
O |
<rating> |
| N |
N |
O |
O |
O |
<skipDays> |
| N |
N |
O |
O |
O |
<skipHours> |
| N |
N |
N |
N |
O |
<generator> |
| N |
N |
N |
N |
O |
<ttl> |
Item elements
| N |
N |
N |
O |
O |
<category> |
| N |
N |
N |
O |
O |
domain attribute |
| N |
N |
N |
O |
O |
<enclosure> |
| N |
N |
N |
R |
R |
url attribute |
| N |
N |
N |
R |
R |
length attribute |
| N |
N |
N |
R |
R |
type attribute |
| N |
N |
N |
N |
O |
<guid> |
| N |
N |
N |
N |
O |
isPermaLink attribute |
| N |
N |
N |
O |
O |
<source> |
| N |
N |
N |
R |
R |
url attribute |
Item
| R |
R |
R |
R |
R |
<item> |
| R |
R |
R |
O |
R |
<title> |
| N |
O |
O |
O |
<description> |
| R |
R |
R |
O |
O |
<link> |
| N |
N |
N |
N |
O |
<author> |
| N |
N |
N |
N |
O |
<comments> |
| N |
N |
N |
N |
O |
<pubDate> |
Documentation
RSS 2.0 spec
RSS 1.0 spec
RSS 0.92 spec
RSS 0.91 spec (UserLand)
RSS 0.90 spec (backup)
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Copyright © 2002-2005 ToolButton Inc.. All Rights Reserved.
RSS 2.0 (http://backend.userland.com/rss/)
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