(1) An Internet service that pings computers on a regular basis to determine if they are still running. For example, a ping service would be used with a server farm to determine if any of the servers ...
Google has added a pinging service to its Blog Search offering. Dubbed Google Blog Search Pinging Service, now bloggers and blog providers (such as blogger, wordpress.com or blogs.com) can now ...
But I am not a 100% sure. DigitalPoint Forums explains; I don't ping pingomatic anymore, just feedburner and google, feedburner pings all the others for me. Forum discussion at DigitalPoint Forums.