I wanted to try something new (and, naturally, I’m running out of content ideas), so let me introduce the hashtag #gtmtips. I hope others contribute as well, but I will be adding a new tip as often as possible. I’ve got maybe 20 tips in store right now, and I’m writing new ones all the time. So without further ado, here’s… Tip 1: Save GATC In A Constant String Macro This is an easy one, and everyone should already be doing this in one way or another.

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(Update 19 November 2018: See this article for a more elegant solution.) If you know your JavaScript, you know that all variables, functions, objects, resources, and data in the document get rewritten with every page load. In other words, every single page refresh builds the page from scratch, and the state of the document before the page refresh is left drifting in the ocean of oblivion. Google Tag Manager’s dataLayer is also one such entity.

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There’s a much easier, native-to-GTM way to do this now: the Matches CSS Selector. Behind this tragically boring title is a simple solution to many problems with Google Tag Manager’s auto-event tracking. The common denominator to these problems is poor website markup. Selectors are used sparingly, and element hierarchy is messy. This disregard for proper node relationships means you have to resort to Data Layer Variable Macros which look like

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(UPDATE 1 Oct 2014 Due to a change in how macros work in Debug Mode, the {{generic event handler}} macro no longer works when testing in Debug Mode. That means that you’ll have to test your custom listener in a live container (I know, ouch!). If you want to test in Debug Mode, you’ll have to skip using the {{generic event handler}} as a macro, and instead copy the inner function into the Custom HTML Tag, give the function a name, and use that as the callback in addEventListener or attachEvent.

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It’s been an awesome summer, with temperatures soaring in the global warming range throughout our northern country. The heat has given me ample reason to not be near a computer, but now it’s time to mine some JavaScript wisdom again. Here’s the second part of my JavaScript for Google Tag Manager series. The first part focused on GTM specific tips and tricks, and I hope that while reading it, you were treated to another grand example of the flexibility of this wonderful tool.

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Analyzing what people write in your site search field is pretty much one of the smartest things you can do for your website tracking. If certain terms pop up over and over again in internal search reports, it means that your site is not providing the answers people are looking for, meaning you have an excellent opportunity to provide supply for the demand! However, not all site search applications are trackable out-of-the-box.

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Here’s the link to part 2 of this JavaScript guide. The thing about Google Tag Manager, or any JavaScript tag manager for that matter, is that there’s JavaScript involved. In fact, the tool itself is just a JavaScript library with some additional bells and whistles (such as a management UI). This means that to make the best of it, some knowledge of JavaScript is warranted, and that’s the point of this post.

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