RSS feeds


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Concept of RSS feeds used in internet world

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RSS feeds

  1. 1. -: Presented By :- Kaushik Parmar “ Real Simple Syndication” (RSS)
  2. 2. What are web feeds? <ul><li>A way to share content </li></ul><ul><li>Use XML to store data </li></ul><ul><li>They don’t require the user to visit the site/resource </li></ul><ul><li>Most popular are RSS and Atom </li></ul>
  3. 3. What is RSS? <ul><li>&quot;Real Simple Syndication“ or &quot;Rich Site Summary” </li></ul><ul><li>Sometimes referred to XML feeds. </li></ul><ul><li>An updated lists of headlines and articles </li></ul><ul><li>Feed reader or A ggregator . </li></ul>
  4. 4. Really Simple Syndication <ul><li>Syndication is key element </li></ul>
  5. 5. How do web feeds work? <ul><li>Producers </li></ul><ul><ul><li>Create the XML feed </li></ul></ul><ul><ul><li>Store the feed in an XML file, or create it dynamically </li></ul></ul><ul><li>Consumers </li></ul><ul><ul><li>Use content from the feed </li></ul></ul><ul><ul><li>News Stories, Blog Entries, etc… </li></ul></ul>
  6. 6. What about Atom? <ul><li>A format quite similar to RSS </li></ul><ul><li>It was created by people who felt that RSS could be improved upon </li></ul><ul><li>More complex </li></ul><ul><li>Atom properties =RSS properties </li></ul>
  7. 7. RSS parts and types of clients <ul><li>RSS is divided into two parts: </li></ul><ul><ul><li>Feeds </li></ul></ul><ul><ul><li>Aggregators(A software program that you can download and then use to read your RSS feeds) </li></ul></ul><ul><li>Tested clients: </li></ul><ul><ul><li>Local Readers (browser and stand alone readers) </li></ul></ul><ul><ul><li>Web based readers </li></ul></ul>
  8. 8. How to find RSS feeds? <ul><li>Look for a button like these within a site: </li></ul>
  9. 9. Consuming RSS <ul><li>All tools have common traits </li></ul><ul><ul><li>Access RSS Feeds </li></ul></ul><ul><ul><li>Track what a user has already read </li></ul></ul><ul><ul><li>Reproduce feed content </li></ul></ul><ul><ul><li>Link to original source </li></ul></ul>
  10. 10. Current Scenario
  11. 11. Advantages of RSS <ul><li>You can read feeds from multiple websites in one location. </li></ul><ul><li>No SPAM! </li></ul><ul><li>No Pop-Ups! </li></ul><ul><li>Most blogs now have feeds, and more journals and news sites are adding them. </li></ul>
  12. 12. Disadvantages <ul><li>Some users prefer email updates over an RSS feed. </li></ul><ul><li>Graphics and photos do not appear in all RSS feeds. </li></ul><ul><li>Publishers cannot determine how many users are subscribed to their feed and the frequency of their visits. </li></ul><ul><li>Higher traffic and demands on the server. </li></ul><ul><li>Since it is a new technology, many sites still do not support RSS. </li></ul>
  13. 13. Bake it From Scratch <ul><li>Declare the RSS version you’re using (2.0 is the latest) with the <rss> tag </li></ul><ul><li>Use the <channel> tag to begin your feed </li></ul><ul><li>Use the <title>, <description>, and <link> tags to describe your feed as a whole (there are other optional tags that apply to your feed as a whole, like <copyright>, <image>, and <webMaster>) </li></ul><ul><li>Start each item with the <item> tag </li></ul>
  14. 14. Bake it From Scratch <ul><li>Within each item, add a <title>, <description>, and <link> </li></ul><ul><li>End each item with </item> </li></ul><ul><li>End your feed with </channel> </li></ul><ul><li>End your file with </rss> </li></ul><ul><li>Save your files as an XML file (eg. sciencenews.xml) </li></ul>
  15. 15. What does it look like?
  16. 16. That’s it! Now upload your .xml file to your server and subscribe to your feed using your feed reader.