StatCounter – Free Real Time Visitor Stats的作者是Aodhan Cullen,目前有100,000+个有效安装。已经Tested with 5.4.1版本的wordpress。
The Official StatCounter WordPress Plugin brings you all the powerful StatCounter features to your wordpress blog.
Including but not limited to the following:

Invisible Counter Option
Configurable Counter
Configurable Summary Stats
Magnify User
Drill Down
Popular Pages
Entry Pages
Exit Pages
Came From
Keyword Analysis
Recent Keyword Activity
Search Engine Wars
Visitor Paths
Visit Length
Returning Visits
Recent Pageload Activity
Recent Visitor Activity
Country/State/City Stats
Recent Visitor Google Map
ISP Stats
Browser Stats
O.S. Stats
Resolution Stats
JavaScript Stats
Email Reports
Multiple Site Management
User Access Management
Public Stats
Blocking Cookie