I am a huge fan of Google Analytics, but even so, you should be aware of several bugs that have been confirmed by Google.

(1) A Google Groups thread confirms that some users are unable to login to Google Analytics, due to a “Redirect Loop.” The error message continues to say, “Firefox has detected that the server is redirecting the request for this address in a way that will never complete…”.

There errors began to be reported on July 7th. Last night, a Google representative replied saying:

(2) Google Analytics has been reporting to some users that their tracking code is not installed. But the reality of it is, the tracking code for those sites are installed properly and Google Analytics is actually tracking data and reporting on that data. So the message is incorrect and the tracking code for some of these sites are indeed installed correctly. I actually have this on one client’s site, and I can personally confirm it.

A Google representative confirmed the issue in a Google Groups thread:

(3) Google Analytics is duplicating the cities information in the Map Overlay reports for some users. A Google Groups thread has a picture of what this may look like for you:

A Google representative confirmed the issue:

There are three bugs that have been recently confirmed by Google Analytics that you should be aware of.

Forum discussion at Google Groups (1), Google Groups (2) and Google Groups (3).