
How to integrate Optimizely with GTM & Universal Analytics
If you want to integrate your Optimizely experiment and variation data with Google’s Universal Analytics via Google Tag Manager, you will soon see that the official documentation assumes a custom‑coded implementation. It then instructs you to edit your GA pageview tag directly. If you are using Google Tag Manager, then you obviously will not want to follow this guidance as you probably have the Google Analytics pageview tag in a tag template. It is always advisable to keep custom JavaScript an















