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.

byybora

Google PageRank Display shows your site pagerank instantly and you can change style from General Options. 
more than 130+ pagerank buttons & badges. 
 * Install files 
 * Activate the plugin 
 * Go General Options [<code>options-general.php?page=gpdisplay</code>] 
 * Choose style you like 
 * Update option
<ul>
<li>And add this code your theme // <code><?php show_gpdisplay() ?></code></li>
</ul>
Features:
<ul>
<li>Real Google Pagerank : Shows real google pagerank, not fake</li>
<li>Many Style : There are 134 different pagerank button and badges</li>
<li>Automatic : just you change style from option</li>
<li>Fast : Loading pagerank fast, get image remotely.</li>
<li>Get your site page rank instantly</li>
</ul>
Details: <code>http://www.getrank.org</code>
<h3>Arbitrary section</h3>
See homepage for updates <a href="http://www.getrank.org/" title="GetRank" rel="nofollow ugc">http://www.getrank.org</a> .
<blockquote>
Instantly Check Free Your Site Google PageRank **
</blockquote>

Google PageRank Display

Check your site free google pagerank value with more than 130 pagerank buttons and badges

vdwp-alexa vs Google PageRank Display