Cross-domain tracking, in Google Analytics, is the process of passing information stored in browser cookies from one domain to another. Due to web browsers’ same-origin policy, a browser cookie is only available to the domain it is written on and all its subdomains (by default). Since Google Analytics uses cookies to persist the Client ID, once the user moves from domain to domain it’s important to somehow pass this Client ID, too.

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Last updated 2 March 2018. Every now and then you might be urged to run Google Tag Manager and/or Google Analytics locally, meaning without the benefit of a web server serving your files. In other words, you’re loading an HTML file from your computer in the web browser. You can identify a locally run file by the file:/// protocol in the address bar. Now, deploying Google Tag Manager onto that file with the hopes of running Google Analytics requests locally isn’t quite simple.

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Enhanced Ecommerce is a very useful set of reports in Google Analytics. They extend the standard Ecommerce funnel, which measures only purchases, and allow you to observe products from the very first impression, through various interactions, all the way to the purchase and even beyond, if the user wanted a refund. Google has some solid documentation on how to implement and interpret Enhanced Ecommerce, but if there’s one area that would deserve more illumination, it’s attribution.

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I have very little against Google Analytics’ default dashboards. The reason I shy away from them is because they lack the type of customization I’ve come to expect from a dashboarding tool. On top of that, they only let you look at GA data, and I learned early on in my career that focusing on just one vertical is one of the cardinal sins you can make as an analyst.

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Google Tag Manager is a great tool. Yeah, you came all the way to this article to read that truism. It also performs really well, loading at a sweet, swift pace even on a slow connection, thanks to pretty decent response times from Google servers. On top of that, the library itself loads asynchronously, meaning the container download doesn’t interrupt the browser as it tries to make sense of your messy HTML.

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First of all, I’m sorry about the title. I should really stop throwing the word “simple” around, since people always tell me that the stuff I claim to be easy and straightforward is rarely so. But since this is my blog, I reserve the right to use whatever stupid and misleading terminology I want. I maintain that what follows IS quite simple, especially when considering the amount of complexity it reduces in your Universal Analytics setup.

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I’m currently at SMX München, which is still one of my favorite conferences in Europe. The quality of the talks is superb, and the organization is just perfect. So today, after my talk (joint session with the awesome Dave Sottimano), I was listening to the inimitable Mike King give an excellent presentation together with Ari Nahmani on technical skill prerequisites for all digital marketers today. Needless to say, I strongly agree with their view that digital marketing has always been a technical discipline, and the web is getting more and more complex each day that passes.

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