What is a ping server?
A ping server is a web-based service that accepts messages in the XML-RPC format. It uses the information in these XML-RPC messages to publish a list of blogs which have updated content. Some of these ping servers run their own blog search engines, and some propagate the information to a number of other ping servers and search engines. How does pinging work? Many blog publishing platforms, such as WordPress, have a built-in pinging tool. In the case of WordPress, pinging is turned on by default and pings go out to one ping server which updates several search engines. You can also notify a ping server that you have updated content manually by going to their website and submitting your blog’s name and URL. One popular ping server is PingOMatic, found at http://pingomatic.com/. When your blog pings PingOMatic it then notifies a number of search engines that your blog has been updated. Many of these search engines also have their own ping server as well. These search engines can then updat