For example, if you want to add a feed for all of the comments on your WordPress blog, add the following code: Click "Update File" to save your work. The URL of the RSS feed you added is available.

RSS feeds from external websites can be added to your Wordpress blog by adding the "RSS" widget to your blog's layout. This is a free widget available to all users with a Wordpress account that ...

You’re done! If you use Blogger to host your blog (but don’t use Feedburner) your feed is already set up with PubSubHubbub support. Other platforms are likely to follow with support in the future.