Cross Domain – Not Adding "_link" code

The cross domain feature seems to not be working on our site.

Here’s a screenshot of the site in question (see inspector showing that no attributes are being added to the link).

Here’s a screenshot of our configuration.

Am I missing something? Can anyone point me in the direction of a solution.

Thanks in advance!

http://ww.wp.xz.cn/extend/plugins/google-analytics-for-wordpress/