I’ve recently noticed a growing number of “mainstream” sites utilising trackbacks on their pages. Even CNN’s all powerful news.com now has a slightly messy trackback / pingback system in place.
Not sure of the history of trackback and pingback, but both systems are heavily utilised by bloggers as a way of providing related links to a topic. The basic principal of both systems is that that one information site links to another through an article and let’s the target site know that the link is in place. The target site’s automated system then recognises this link and provides a link back.
Considering how difficult it now is to get a good relevant link, utilising trackback / pingback methods could well now be the easiest way to get links in to an information based site. I’m not talking about spamming every trackback page you can find (although I am sure that a lot of people are doing this), but instead deliberately searching for relevant articles to provide as further information sources.
I’ve only really used either method as part of out of the box news/blogging systems, but can’t imagine it would be too difficult to put a standalone module together - which is exactly what I intend to do. I’ll probably experiment with it here on this site at some point then roll it out on to relevant work projects.