We'll create fresh WordPress site with Quantcast Quantifier installed. You have 20 minutes to test the plugin after that site we'll be deleted.
Quantcast Quantifier adds the necessary JavaScript code to enable Quantcast logging on any WordPress blog. This eliminates the need to edit your template code to begin logging.
http://www.jamesturner.co.nz/other/wordpress/plugin-quantcast-quantifier/
Features
Quantcast Quantifier Has the Following Features:
Usage
In your WordPress administration page go to Options > Quantcast Quantifier. From there enter your Quantcast tag and enable logging. Information on how to obtain your Quantcast tag can be found on the options page.
Once you save your settings the JavaScript code should now be appearing on all of your WordPress pages.