WordPress Nofollow Categories Plugin
Adds the “nofollow” rel attribute to category links in WordPress.
Nofollowing your category links allows you display them in your theme without passing any pagerank to the categories pages.
Installation
1. Upload ‘nofollow_categories.php’ to the ‘/wp-content/plugins/’ directory.
2. Activate the plugin through the ‘Plugins’ menu in WordPress.
3. That’s it!
Download
Download the Nofollow Categories plugin here.