26 Sept 2026: MeasureCamp London

Because I was bored, I did a quick test to sort out the firing order of competing GTM listeners. If you’ve done your homework (i.e. read my article on GTM listeners), you’ll remember that GTM listeners are set up on the document node of the document object model …

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Here are a few quotes I found on the web regarding tag management and IT departments: Relief of IT department bottlenecks – once the Tag Manager is deployed, new tags can be implemented directly by Marketing with no IT department involvement. This is a huge benefit for large …

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Ever so often I come across a Google Tag Manager setup where GTM’s own auto-event listeners don’t perform the task they were supposed to. Listener problems seem to be a hot topic in Google+ and the Product Forums as well. There may be many reasons why your listeners …

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I’ve written a new Variable Guide for Google Tag Manager, which covers the new GTM UI. This guide is for the old UI. You might be vaguely familiar with macros if you’ve ever used a computer. Basically, whenever you perform a complicated task with a simple gesture, or …

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Simo Ahava

Husband | Father | Analytics developer
simo (at) simoahava.com

Senior Data Advocate at Reaktor

Finland