Trackback: Difference between revisions
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more extensive explanation; HTTP doesn't have an equivalent functionality |
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'''TrackBack''' is a mechanism for the communication between [[blog]]s: if a blogger writes a new entry commenting on or referring to an entry found at another blog, and both [[weblog software|blogging tools]] support the TrackBack protocol, then the commenting blogger can notify the other blog with a "TrackBack [[ping blog|ping]]"; the receiving blog will typically display summaries of and links to all the commenting entries below the original entry. This allows for conversations spanning several blogs that readers can easily follow. |
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'''TrackBack''' is a mechanism used in a [[blog]] to show, around an entry, a list of other blogs that refer to it. |
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Blogging software that supports the TrackBack protocol displays a "TrackBack [[Uniform Resource Locator|URL]]" along with every entry. This URL is used by the commenting blogger, whose software will send [[XML]]-formatted information about the new entry to this URL. Some blogging tools are able to discover these TrackBack URLs automatically, others require the commenting blogger to enter them manually. |
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The term TrackBack was introduced by [[Six Apart]] which introduced a mechanism (although the functionality was present in the [[HTTP]] specification as early as 1992) in their blogging server, [[Movable Type]], that works by sending a '[[Ping_blog|ping]]' between the blogs, and therefore providing the alert. The blog receiving the ping typically displays the TrackBack information below a blog entry. This usually includes a summary of what has been written on the target blog, together with a [[Uniform Resource Locator|URL]] and the name of the blog. The [[Referer]] field in the HTTP protocol was originally intended as a means of supporting features similar to those TrackBack offers. |
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| ⚫ | The TrackBack specification is due to [[Six Apart]] which first implemented it in its [[Movable Type]] blogging software in 2002. It has since been implemented in most other blogging tools. Six Apart started a working group in February 2006 to improve the Trackback protocol and have it potentially approved as an internet standard by the [[IETF]]. |
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| ⚫ | Some individuals or companies have abused the TrackBack feature to insert [[link spam|spam]] links on some blogs. This is similar to [[Comment_spam|comment spam]] but avoids some of the safeguards designed to stop the latter practice. As a result, TrackBack spam filters similar to those implemented against comment spam now exist in many weblog publishing systems. |
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| ⚫ | Some individuals or companies have abused the TrackBack feature to insert [[link spam|spam]] links on some blogs. This is similar to [[Comment_spam|comment spam]] but avoids some of the safeguards designed to stop the latter practice. As a result, TrackBack spam filters similar to those implemented against comment spam now exist in many weblog publishing systems. |
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==See also== |
==See also== |
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* [[Pingback]], a similar protocol providing essentially the same functionality |
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* [[Pingback]] |
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==External links== |
==External links== |
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* [http://www.movabletype.org/trackback/beginners/ A Beginner's Guide to TrackBack] |
* [http://www.movabletype.org/trackback/beginners/ A Beginner's Guide to TrackBack] |
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* [http://www.movabletype.org/docs/mttrackback.html Official specification] |
* [http://www.movabletype.org/docs/mttrackback.html Official specification] |
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* [http://www.plasticbag.org/archives/2003/03/what_is_trackback_part_one.shtml What is Trackback?] by Tom Coates |
* [http://www.plasticbag.org/archives/2003/03/what_is_trackback_part_one.shtml What is Trackback?] by Tom Coates |
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* [http://www.radicalbright.com/wp1/?p=5 All about Trackbacks and Pingbacks with Wordpress] by Mike |
* [http://www.radicalbright.com/wp1/?p=5 All about Trackbacks and Pingbacks with Wordpress] by Mike |
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[[Category:Blogs]] |
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Revision as of 01:14, 26 February 2006
TrackBack is a mechanism for the communication between blogs: if a blogger writes a new entry commenting on or referring to an entry found at another blog, and both blogging tools support the TrackBack protocol, then the commenting blogger can notify the other blog with a "TrackBack ping"; the receiving blog will typically display summaries of and links to all the commenting entries below the original entry. This allows for conversations spanning several blogs that readers can easily follow.
Blogging software that supports the TrackBack protocol displays a "TrackBack URL" along with every entry. This URL is used by the commenting blogger, whose software will send XML-formatted information about the new entry to this URL. Some blogging tools are able to discover these TrackBack URLs automatically, others require the commenting blogger to enter them manually.
The TrackBack specification is due to Six Apart which first implemented it in its Movable Type blogging software in 2002. It has since been implemented in most other blogging tools. Six Apart started a working group in February 2006 to improve the Trackback protocol and have it potentially approved as an internet standard by the IETF.
Some individuals or companies have abused the TrackBack feature to insert spam links on some blogs. This is similar to comment spam but avoids some of the safeguards designed to stop the latter practice. As a result, TrackBack spam filters similar to those implemented against comment spam now exist in many weblog publishing systems.
See also
- Pingback, a similar protocol providing essentially the same functionality
External links
- A Beginner's Guide to TrackBack
- Official specification
- TrackBack Development
- Trackback Working Group wiki
- What is Trackback? by Tom Coates
- All about Trackbacks and Pingbacks with Wordpress by Mike
- WordPress Tutorial: Using Trackbacks and Pingbacks
- HaloScan Trackback - Free trackback tools (receiving and sending)
- Trackback Validator Plugin for WordPress: Trackback spam blocker
- Trackback wizard: execute a manual trackback, if your blog software does not support it.