The WHATWG Blog » Blog Archive » The Road to HTML 5: Link Relations
http://blog.whatwg.org/the-road-to-html-5-link-relations
Some good information here about how to describe links in you webpage. Most of them aren't implemented yet, but may be worth adding for forward compatibility.
Welcome back to my semi-regular column, "The Road to HTML 5," where I'll try to explain some of the new elements, attributes, and other features in the upcoming HTML 5 specification.
Regular links (<a href>) simply point to another page. Link relations are a way to explain why you're pointing to another page. They finish the sentence "I'm pointing to this other page because..."
A refrence article about HTML5 Link Relations.Getting Semantic With Microformats, Part 1: rel ~ A Blog Not Limited
This first installment of the series focuses on microformats for link-based relationships using the rel attribute. Let's get started, shall we?