Use PubSubHubbub PubSubHubbub is called hubbub for short. Internet servers pull content from origin publishers and tell interested subscribers when new content is available. Push is when the internet servers tell when new data is available. Pull wastes time and effort. It's cumbersome for publishers to have to write content and distribute, so the hub makes subscribers aware of when there is new data. This currently works for RSS feeds. Soon it will work for all web content.