I’ve been using Google Tag Manager (GTM) for over a year now and its potential never ceases to amaze me.
If you haven’t already, I would suggest first reading Max’s blog post from February, “
Transaction tracking is often the key stone data set for reporting purposes, providing attribution to marketing spend, user value and detail breakdowns of how a website/application is performing.
If you have worked with a website that uses iframes then its likely you have felt the tracking pain points that arise. Generally you will encounter one or all of the following: