Mark Pedersen

Uses the same URL for both pagerank and alexa ranking.

vdwp-alexa

Simple Widget plugin to use in your wordpress installation, simply enter websites url (can be subpage) and it will display.

jasoncaidev

Check pagerank of your blog pages automatically,display your real pagerank with an icon instantly. 
The pagerank icon is running code from website checker site to generate. 
Visit http://www.websitechecker.info for details.

PageRank Checker

Check pagerank of your blog pages automatically,show your real pagerank.

vdwp-alexa vs PageRank Checker