Technorati is a search engine which automatically receives a notification from weblogs as soon as they are updated.
Technorati Tags are a way of classifying blog posts – you can add tags to your blog posts by adding a rel=”tag” to tag links in your posts – however this method is cumbersome and prone to mistakes. Fortunately, if you are a WordPress user, Technorati automatically recognises your categories and uses them as Tags to classify your posts.
Why are Tags important? Well, if I want to see what has been written by bloggers recently on any topic, I simply browse to the Technorati Tag page for that topic and see all the latest posts. For instance the Technorati Tag page for Security at time of writing contains 4,620 posts from 850 blogs, all on security related topics.
But wait, there’s more! I can do a search in Technorati for a term of interest – and if I want to keep an eye on what people are writing about that term moving forward, I can create what is called a Watchlist for that term (the term can be anything – your company name, for instance – or your competitor’s name!). A Watchlist is a saved, constantly updating search so you can go back to the search and at any time see the latest posts on your term of interest. It gets even better, your Watchlists are also available as RSS feeds so you can keep an eye on them using your RSS reader!
Given that Tags are important and that WordPress categories translate into Technorati Tags, it follows that you should chose your WordPress category names very carefully. For instance, if you want to create a Category for posts about about your blog – you could call it, Blog, Blogging or Weblog. If you look at the equivalent Technorati Tags for these terms, you will see that the TagBlog has a Google Page Rank (PR) of 5 and has 42,678 posts from 7,422 blogs; Blogging has a PR of 4 and has 15,131 posts from 2,295 blogs; while Weblog has a PR of 2 and has 55,823 posts from 3,552 blogs.
So from a Search Engine Optimisation (SEO) point of view, the best category name (of the three) to chose in WordPress would be Blog because it has the highest Google Page Rank (and has the highest number of associated blogs). A page with a high Page Rank linking to your site increases your own Page Rank and therefore your SEO.
Something to consider when creating WordPress categories.