WebSub/PubSubHubbub

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This plugin is a simple way to let people know in real-time when your blog is updated. PubSubHubbub is widely adopted and is used by Google Reader, Google Alerts and many other services. WebSub provides a common mechanism for communication between publishers of any kind of Web content and their subscribers, based on HTTP web hooks. Subscription requests are relayed through hubs, which validate and verify the request. Hubs then distribute new and updated content to subscribers when it becomes available. WebSub was previously known as PubSubHubbub. This plugin: Sends realtime notifications when you update your blog Supports multi-user installations (WordPress MU) Supports multiple hubs Supports all of the feed formats used by WordPress, not just ATOM and RSS2 Supports latest specs PubSubHubbub Version 0.4 WebSub Dev Version Announces which hubs you are using by adding <link rel="hub" ...> declarations to your template header and ATOM feed Adds <atom:link rel="hub" ...> to your RSS feeds along with the necessary XMLNS declaration for RSS 0.92/1.0 By default this plugin will ping the following hubs: Demo hub on Google App Engine SuperFeedr Please contact me if you operate a hub that you would like to be included as a default option.