fliptel

Displays the Alexa traffic rank in the sidebar of your blog via widget interface or anywhere else via function call. The Plugin comes with 5 different layouts.
Browse more <a href="http://www.fliptel.de/wordpress-plugins" title="Wordpress Plugins" rel="nofollow ugc">WordPress Plugins</a> by <a href="http://www.fliptel.de" title="Fliptel" rel="nofollow ugc">Fliptel</a>.

AlexaRank

Displays the Alexa traffic rank in the sidebar of your blog via widget interface or anywhere else via function call.

Junglee

Information will be related to
1) Google indexed pages 
2) google inbound links 
3) Alexa rank 
4) Alexa inbound links, 
5) DMOZ listings, 
6) Siteadvisor rating, 
7) WOZ rating, 
8) Domain age.
Visit solarwebtraffic.com/content to get free wordpress autoblog

Domain Report

This plugin provide info related to your domain such as inbound links, rank, advisor rating etc..

AlexaRank vs Domain Report