A method to keep track of links to content, especially blog entries.
"The blogger enabled trackbacks so that other sites could notify her when they linked to her latest entry."
In plain English: A trackback is an automatic message sent to another website letting them know you have linked to their content.
"The blogger received three trackbacks from other websites that linked to his new article."
Usage: A trackback is an automated notification sent by one website when another site links to your content, allowing you to see where your posts are being referenced online. This feature helps bloggers monitor the spread and discussion of their articles without manually checking every external link.
A protocol for a system that allows a blogger to see who has seen the original post and has written another entry concerning it.
"The blog received several trackbacks from other sites discussing his latest article about climate change."
The word trackback is a straightforward combination of the words track and back. It was formed to describe a link sent from one blog to another indicating that someone has commented on an article you wrote.