Understanding Trackbacks

Trackback a URL

If you are referencing another Blog article you have found then you can link back to the Blog article by using the Trackback link. This sends trackback pings to the URLs you specify in this field. You can trackback multiple URLs by separating them with commas. Whitespace between things is insignificant. Trackbacks are our friends because they help with link integrity which in turn makes the search engines love us.

What is a Trackback?

In a nutshell, TrackBack was designed to provide a method of notification between websites: it is a method of person A saying to person B, "This is something you may be interested in." To do that, person A sends a TrackBack ping to person B.

A better explanation is this:

Person A writes something on their Blog.
Person B wants to comment on Person A's Blog, but wants her own readers to see what she had to say, and be able to comment on her own Blog
Person B posts on her own Blog and sends a trackback to Person A's Blog
Person A's Blog receives the trackback, and displays it as a comment to the original post. This comment contains a link to Person B's post.

The idea here is that more people are introduced to the conversation (both Person A's and Person B's readers can follow links to the other's post), and that there is a level of authenticity to the trackback comments because they originated from another weBlog.

Most trackbacks send to Person A only a small portion (called an "excerpt") of what Person B had to say. This is meant to act as a "teaser", letting Person A (and his readers) see some of what Person B had to say, and encouraging them all to click over to Person B's site to read the rest (and possibly comment).

Person B's trackback to Person A's Blog generally gets posted along with all the comments. This means that Person A can edit the contents of the trackback on his own server, which means that the whole idea of "authenticity" isn't really solved. (Note: Person A can only edit the contents of the trackback on his own site. He cannot edit the post on Person B's site that sent the trackback.)


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