This plugin allows you add the Alexa Rank of your website into your blog.
Adds shortcodes for important blog stats like pagerank, alexa, technorati, RSS subscriber count, google backlinks and more.
This plugin creates a sidebar widget with your website statistics in it - alexa, pr, etc.
Allow you to do fast verification for WPMU websites with Google Webmaster Tools, Yahoo! SiteExplorer, Bing Webmaster Center & Alexa Siteowners.