If you have a WordPress site you might get these Trackbacks or Ping notifications from time to time. Your first question is probably, "Isn't this SPAM?" Before we go too deep into that let's talk about what a Trackback or a Pingback is... On the surface they might appear the same but a …
WordPress Basics: Pings and Trackbacks
New Comment Policy:
If you see something, say something!
(shamelessly borrowed from Homeland Security but really, let's bring commenting on posts back!)