At the same time as you update your Word Press ping list it’s also a good idea to install the cbnet Ping Optimizer WordPress Plugin. It gives you additional functionality to test and verify your ping list!
Your WordPress blog pings unnecessarily every time you edit a post! Think how many times you click on "Save and Continue Editing" or "Save" button. Your blog will ping unnecessarily that many times you click on those buttons.
Save your blog from getting tagged as ping spammer by installing this plugin.