Here is some interesting additional discussion about backlinks . . .
WordPress sometimes notifies me in comments that I have a “trackback.” When I write a new post, I can also provide a trackback to another blog. WordPress says: Trackbacks are a way to notify legacy blog systems that you’ve linked to them. If you link other WordPress sites they’ll be notified automatically using pingbacks, no other action necessary.
So what is this stuff?
Trackbacks, Pingbacks, and (rarely) Refbacks are all forms of linkbacks. Linkbacks enable website and blog authors to keep track of who is linking to – or referring to – their articles.
– Trackback: Trackbacks are generally used for communication between blogs; if a blogger writes a new entry commenting on, or referring to, another blog, and both blogging tools support the TrackBack protocol, the commenting blogger can notify the original blog with a TrackBack ping. WordPress, SilverStripe, Drupal, and Movable Type all…
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