RSS Optional Channel ElementsIn creating an RSS feed (also called an RSS document) Optional Channel Elements are tags you can include in your feed, but are not required in order for the feed to work. Optional channel elements are added in the beginning of your feed and require an open and close tag. Examples of Optional Channel Elements, as defined in the RSS 2.0 Specification, include the following:
- <language> The language the channel is written in (view the RSS Language Codes here).
- <copyright> Copyright notice for content in channel
- <managingEditor> e-mail contact for editorial content
- <webMaster> e-mail contact for technical issues.
- <pubDate> The publication date for the content in the channel.
- <lastBuildDate> The last time the content of the channel changed.
- <category> Specify one or more categories that the channel belongs to.
- <generator> Indicate the program used to generate the channel.
- <docs> A URL that points to the documentation for the format used in the RSS file
- <cloud> Allows processes to register with a cloud to be notified of updates to the channel
- <ttl> "Time To Live." Specify a number of minutes that indicates how long a channel can be cached before refreshing.
- <image> A GIF, JPEG or PNG image that can be displayed with the channel.
- <rating> PICS rating for the channel.
- <textInput> A text input box that can be displayed with the channel.
- <skipHours> Tells aggregators which hours they can skip.
- <skipDays> Tells aggregators which days they can skip.
Stay up to date on the latest developments in Internet terminology with a free weekly newsletter from Webopedia. Join to subscribe now.
From keyword analysis to backlinks and Google search engine algorithm updates, our search engine optimization glossary lists 85 SEO terms you need... Read More »Slideshow: History of Microsoft Operating Systems
Microsoft Windows is a family of operating systems for personal computers. In this article we look at the history of Microsoft operating... Read More »Slideshow: Interesting Facts About Google Search
From Goats to Penguins, a server outage and trillions of searches, our slideshow presents interesting facts about Google and the Google.com... Read More »
Java is a high-level programming language. This guide describes the basics of Java, providing an overview of syntax, variables, data types and... Read More »Java Basics, Part 2
This second Study Guide describes the basics of Java, providing an overview of operators, modifiers and control Structures. Read More »The 7 Layers of the OSI Model
The Open System Interconnection (OSI) model defines a networking framework to implement protocols in seven layers. Use this handy guide to compare... Read More »