RSS <channel> Element
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>W3Schools Home Page</title>
<link>http://www.w3schools.com</link>
<description>Free web building tutorials</description>
<item>
<title>RSS Tutorial</title>
<link>http://www.w3schools.com/rss</link>
<description>New RSS tutorial on W3Schools</description>
</item>
</channel>
</rss> |
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. W3Schools Home Page)
- <link> - Defines the hyperlink to the channel (e.g. http://www.w3schools.com)
- <description> - Describes the channel (e.g. Free web building tutorials)
The <channel> element usually contains one or 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> |
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> |
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.w3schools.com/images/logo.gif</url>
<title>W3Schools.com</title>
<link>http://www.w3schools.com</link>
</image> |
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>en-us</language> |
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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