A simple change to the way Google Analytics is installed is (unfortunately) a common way to render your analytics data worthless. To make matters worse, if you aren’t aware of the setup change, you might falsely attribute any differences in reported traffic to something else, rather than the Google Analytics change.
In an ideal world we would have a ‘set it and forget it’ warning system that will alert you any time the analytics code is changed on a page. I’m going to walk you through some code that can be used to extract what Google Analytics resources are being used.
Watching for the Google Analytics beacon to fire.