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The RSS <channel> element describes the RSS
feed.
The RSS <channel> Element
Look at the following RSS document:
<?xml version="1.0" encoding="ISO-8859-1" ?>
<rss version="2.0">
<channel>
<title>codedcode Home Page</title>
<link>http://www.codedcode.com</link>
<description>Free web building tutorials</description>
<item>
<title>RSS Tutorial</title>
<link>http://www.codedcode.com/rss</link>
<description>New RSS tutorial on codedcode</description>
</item>
</channel>
</rss>
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As mentioned before, the <channel> element describes the RSS
feed, and has three required child elements:
- <title> - Defines the title of the channel (e.g.
codedcode Home Page)
- <link> - Defines the hyperlink to the channel (e.g.
http://www.codedcode.com)
- <description> - Describes the channel (e.g. Free web
building tutorials)
The <channel> element usually contains one ore more <item>
elements. Each <item> element defines an article or "story" in
the RSS feed.
Furthermore, there are several optional child elements of
<channel>. We will explain the most important ones below.
The <category> Element
The <category> child element is used to specify a category
for your feed.
The <category> element makes it possible for RSS aggregators
to group sites based on category.
The category for the RSS document above could be:
<category>Web development</category>
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The <copyright> Element
The <copyright> child element notifies about copyrighted
material.
The copyright for the RSS document above could be:
<copyright>2006 Refsnes Data as. All rights reserved.</copyright>
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The <image> Element
The <image> child element allows an image to be displayed
when aggregators present a feed.
The <image> element has three required child elements:
- <url> - Defines the URL to the image
- <title> - Defines the text to display if the image could
not be shown
- <link> - Defines the hyperlink to the website that
offers the channel
The image for the RSS document above could be:
<image>
<url>http://www.codedcode.com/images/logo.gif</url>
<title>codedcode.com</title>
<link>http://www.codedcode.com</link>
</image>
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The <language> Element
The <language> child element is used to specify the language
used to write your document.
The <language> element makes it possible for RSS aggregators
to group sites based on language.
The language for the RSS document above could be:
<language>us-en</language>
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RSS <channel> Reference
| Element |
Description |
| <category> |
Optional. Defines one or more
categories for the feed |
| <cloud> |
Optional. Register processes to be
notified immediately of updates of the feed |
| <copyright> |
Optional. Notifies about copyrighted
material |
| <description> |
Required. Describes the channel |
| <docs> |
Optional. Specifies an URL to the
documentation of the format used in the feed |
| <generator> |
Optional. Specifies the program used to
generate the feed |
| <image> |
Optional. Allows an image to be
displayed when aggregators present a feed |
| <language> |
Optional. Specifies the language the
feed is written in |
| <lastBuildDate> |
Optional. Defines the last-modified
date of the content of the feed |
| <link> |
Required. Defines the hyperlink to the
channel |
| <managingEditor> |
Optional. Defines the e-mail address to
the editor of the content of the feed |
| <pubDate> |
Optional. Defines the last publication
date for the content of the feed |
| <rating> |
Optional. The PICS rating of the feed |
| <skipDays> |
Optional. Specifies the days where
aggregators should skip updating the feed |
| <skipHours> |
Optional. Specifies the hours where
aggregators should skip updating the feed |
| <textInput> |
Optional. Specifies a text input field
that should be displayed with the feed |
| <title> |
Required. Defines the title of the
channel |
| <ttl> |
Optional. Specifies the number of
minutes the feed can stay cached before refreshing it
from the source |
| <webMaster> |
Optional. Defines the e-mail address to
the webmaster of the feed |
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